2019 OWNERS MANUAL - Kink BMX
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2019 OWNERS MANUAL
All of the original equipment affixed to the bicycle at WARNING: Assembly of your bicycle by any party
the time of the original sale were selected as being other than an authorized dealer voids your warranty.
compatible with your frame and with all other OEM It is strongly recommended to have all post-
components on the bicycle. Certain aftermarket sale assembly and service work on your bicycle
products and/or components may not be compatible performed by a properly trained and equipped dealer. Congratulations and welcome to the growing family of bottom bracket shell of the frame. Record the number
for use with this bicycle or frame. Consult with your Kink bicycle owners! Before proceeding through the in this manual in the event your bike is lost or stolen.
authorized dealer before you attach any non-factory rest of this manual we urge you to locate your bicycle’s It will also come in handy if required for possible
When inspecting your bicycle, be certain to tighten
specified product to your bicycle. serial number which is permanently stamped into the registration or licensing.
all nuts and bolts properly. Under-tightening can
result in loosening, parts loss, and component damage.
Use of any component that is not factory specified Over-tightened nuts and bolts can break. Most bicycle
could result in damage to the bicycle which would not parts have metric hardware--always use the correct OWNER’S NAME
be covered by the warranty and could further cause tools.
you to lose control of the bicycle and fall, all of which MODEL NAME
could cause serious injury to the rider.
SERIAL NUMBER 123456
This bike may only be assembled by an authorized
dealer. It may only be sold new by an authorized dealer. COLOR/FINISH
If you purchased the bike from any source other than
Serial Number
an authorized dealer, the bike may have been obtained DATE OF PURCHASE
under suspect circumstances and may be dangerous
for you or your child. PLACE OF PURCHASE
ABOUT THIS MANUAL
It is important for you to understand your new bicycle. By reading this manual before you go out on your first ride, you’ll know how to
get better performance, comfort, and enjoyment from your new bicycle. It is also important that your first ride on your new bicycle is
TABLE OF CONTENTS
taken in a controlled environment, away from cars, obstacles, and other cyclists.
GENERAL WARNING
Bicycling can be a hazardous activity even under the best of circumstances. Proper maintenance of your bicycle is your responsibility
as it helps reduce the risk of injury. This manual contains many “Warnings” and “Cautions” concerning the consequences of failure to
maintain or inspect your bicycle. Many of the warnings and cautions say “you may lose control and fall.” Because any fall can result in
serious injury or even death, we do not repeat the warning of possible injury or death whenever the risk of falling is mentioned.
SPECIAL NOTE FOR PARENTS
It is a tragic fact that most bicycle accidents involve children. As a parent or guardian, you bear the responsibility for the activities
and safety of your minor child. Among these responsibilities are to make sure that the bicycle which your child is riding is properly
fitted to the child; that it is in good repair and safe operating condition; that you and your child have learned, understand and obey not Parts Identification 7
only the applicable local motor vehicle, bicycle, and traffic laws, but also the common sense rules of safe and responsible bicycling.
As a parent, you should read this manual before letting your child ride the bicycle. Please make sure that your child always wears an
approved bicycle helmet when riding.
Before You Ride 8–15
Servicing 17–21
Detailed Maintenance 22–47
WARNING/IMPORTANT
Take notice of this symbol throughout this manual. Pay
particular attention to the instructions that are blocked off How Things Work 48–52
and show this symbol.
Warranty 53
4 5
PARTS IDENTIFICATION
Firstly, thank you for purchasing your new Kink BMX bike! I started Kink BMX in 1994 when I was 16
years old and still in high school. I was riding every day, but I wasn’t finding quality parts that I needed
to keep riding hard day in and day out. I wanted to change that. So one day I wandered into a local
machine shop just down the road, and Kink BMX was born. Everyone involved in Kink, from our team
riders to our behind the scenes employees, works hard every day to design and develop the best
bikes on the market. We know you will enjoy your new purchase, but if you have any questions or
comments please let us know. Thank you again, we would not be here without your continued support.
- Zack Phillips, Owner and President of Kink BMX
6 7CORRECT FRAME SIZE RIDING POSITION
When selecting a new bicycle, the correct choice of frame size SEAT HEIGHT
is a very important safety consideration. Most full sized bicycles
In order to obtain the most comfortable riding position and offer
BEFORE YOU RIDE
BEFORE YOU RIDE
come in a range of frame sizes.
the best possible pedaling efficiency, the seat height should
be set correctly in relation to the rider’s leg length. The correct
For BMX bikes, the frame sizing will be primarily based on the
Rider Height Top Tube Length seat height should not allow leg strain from over-extension, and
length of the frames top tube. However, personal preference
the hips should not rock from side to side when pedaling. While
and intended use may also play a roll in selecting the 2’ 3” - 3’ 12” - 12.5”
sitting on the bicycle with one pedal at its lowest point, place
appropriate frame size. 2’ 10” - 3’ 10” 16” the ball of your foot on that pedal. The correct seat height will
allow the knee to be slightly bent in this position. If the rider
In general, frame sizing on BMX race bikes will utilize a nominal 4' 6" - 4' 10" 18" - 20"
then places the heel of that foot on the pedal, the leg should be
designation such as micro, junior, expert, pro, etc. while 4' 10" - 5' 3" 19.5" - 20.25" almost straight.
freestyle frames will simply reference their numerical top tube
measurement. Freestyle frames will not have as wide a range of 5' 3" - 5' 6" 20" - 20.5"
sizes compared to BMX race frames, so you should consult your 5' 6" - 5' 9" 20.25" - 20.75"
authorized dealer for proper sizing considerations.
5' 9" - 6' 20.625" - 21"
The following chart will help you determine the correct frame 6' + 20.75" +
size. However, your dealer will be able to offer detailed expert
Under no circumstances should the seat post project from
advice and assistance in determining the best choice for your the frame beyond its “Minimum Insertion” / “Maximum
cycling need. Extension” mark. If your seat post projects from the
frame beyond these markings, the seat post or frame may
Please note that these size recommendations are only general break, which could cause you to lose control and fall. Prior
to your first ride, be sure to tighten the saddle adjusting
guidelines to help you determine the proper fit. It is important
Note: If the rider is still growing you may want to buy a little mechanism properly. A loose seat or seat post clamp can
that the rider still be able to straddle the bike wile standing flat- bigger size. This is only a general guide, fine tuning comes cause damage to the bicycle or can cause you to lose
footed over the top tube. This should allow for a minimum stand from experience, riding style and preference. Kink complete control and fall. Periodically check to make sure that the
over clearance of 2in. - 4in. bikes are intended for riders ages 13 and over. seat adjusting mechanism is properly tightened.
8 9SAFETY CHECKLIST
1. BRAKES 3. STEERING 6. CRANKS AND PEDALS
• Ensure front and rear brakes work properly. • Ensure handlebar and stem are correctly adjusted and • Ensure pedals are securely tightened to the cranks.
BEFORE YOU RIDE
BEFORE YOU RIDE
• Ensure brake shoe pads are not over worn and are correctly tightened to allow proper steering. • Ensure cranks are securely tightened to the axle and
positioned in relation to the rims. • Ensure that the handlebars are set correctly in relation to the are not bent.
• Ensure brake control cables are lubricated, correctly forks and the direction of travel.
adjusted and display no obvious wear. • Check that the headset locking mechanism is properly 7. FRAME AND FORK
• Ensure brake control levers are lubricated and tightly adjusted and tightened. • Check that the frame and fork are not bent or broken.
secured to the handlebars. • If either are bent or broken, they should be replaced.
4. CHAIN
2. WHEELS AND TIRES • Ensure chain is oiled, clean and runs smoothly. 8. ACCESSORIES
• Ensure tires are inflated to within the recommended limit as • More frequent service is required in wet or dusty conditions. • Ensure that all reflectors are properly fitted and not
displayed on the tire sidewall. obscured.
• Ensure tires have tread and have no bulges or excessive 5. BEARINGS • Ensure all other fittings on the bike are properly and securely
wear. • Ensure all bearings are lubricated, run freely and display no fastened, and functioning.
• Ensure rims run true and have no obvious wobbles or kinks. excess movement, grinding or rattling. • Ensure the rider is wearing a helmet.
• Ensure all wheel spokes are tight and not broken. • Check headset, wheel bearings, pedal bearings, and bottom
• Check to ensure that wheels are properly seated in the forks. bracket bearings.
• Check that axle nuts are tight.
Can cause damage to the bicycle or can
cause you to lose control and fall.
10 11RIDING SAFELY HELMETS
It is strongly advised that a properly fitting, CPSC approved,
bicycle safety helmet be worn at all times when riding your
GENERAL RULES bicycle. In addition, if you are carrying a passenger in a child
safety seat, they must also be wearing a helmet.
BEFORE YOU RIDE
BEFORE YOU RIDE
• When riding obey the same road laws as all other road • Familiarize yourself with all the bicycle’s features.
vehicles, including giving way to pedestrians, and stopping at The correct helmet should:
• If you are wearing loose pants, use leg clips or elastic bands
red lights and stop signs. • be comfortable
to prevent them from being caught in the chain. Wear proper
• For further information, contact the Road Traffic Authority in riding attire and avoid open toe shoes. • be lightweight
your state. • have good ventilation
• Don’t carry packages or passengers that will interfere with
• fit correctly
• Ride predictably and in a straight line. Never ride against your visibility or control of the bicycle.
traffic. Correct Incorrect • cover forehead
• Don’t use items that may restrict your hearing.
• Use correct hand signals to indicate turning or stopping.
• Do not lock up the brakes. When braking, always apply the
• Ride defensively. To other road users, you may be hard to see. rear brake first, then the front. The front brake is more Always wear a properly fitted helmet which covers the forehead when riding a bicycle. Many states require specific
safety devices. It is your responsibility to familiarize yourself with the laws of the state where you ride and to comply
powerful and if it is not correctly applied, you may lose control
• Concentrate on the path ahead. Avoid pot holes, gravel, wet with all applicable laws, including properly equipping yourself and your bike as the law requires. Reflectors are
and fall. important safety devices which are designed as an integral part of your bicycle. Federal regulations require every
road markings, oil, curbs, speed bumps, drain grates and
other obstacles. • Maintain a comfortable stopping distance from all other bicycle to be equipped with front, rear, wheel, and pedal reflectors. These reflectors are designed to pick up and
reflect street lights and car lights in a way that helps you to be seen and recognized as a moving bicyclist. Check
riders, vehicles and objects.
• Cross train tracks at a 90 degree angle or walk your bicycle reflectors and their mounting brackets regularly to make sure they are clean, straight, unbroken and securely
across. • Safe braking distances and forces are subject to the mounted. Have your dealer replace damaged reflectors and straighten or tighten any that are bent or loose.
prevailing weather conditions.
• Expect the unexpected such as opening car doors or cars
backing out of concealed driveways. WET WEATHER: TAKE EXTRA CARE
IT IS RECOMMENDED TO NOT RIDE IN WET WEATHER
• Be extra careful at intersections and when preparing to pass
other vehicles. • Brake earlier, you will take a longer distance to stop. • Wear reflective clothing and use safety lights.
• Decrease your riding speed, avoid sudden braking and take • Pot holes and slippery surfaces such as line markings and
corners with additional caution. train tracks all become more hazardous when wet.
• Be more visible on the road.
12 13NIGHT RIDING BRAKING TECHNIQUE RULES FOR CHILDREN
• Ensure bicycle is equipped with a full set of correctly posi- • It’s important to familiarize yourself with the braking system To avoid accidents, teach children good riding skills with an
tioned and clean reflectors. of your bicycle. emphasis on safety from an early age. Children should be
BEFORE YOU RIDE
BEFORE YOU RIDE
supervised by an adult.
• Use a properly functioning lighting set comprising of a white • Modern braking systems are quite powerful and do not nor-
front lamp and a red rear lamp. mally require a great deal of force to operate. • Always wear a properly fitted helmet.
• If using battery powered lights, make sure batteries are well • The front brake is responsible for the majority of your stopping • Do not play in driveways or the road.
charged. power. However, improper use can result in accident or injury. • Do not ride on busy streets.
• Some rear lights available have a flashing mechanism which • It is recommended that you practice using the brakes in a • Do not ride at night.
enhances visibility. controlled environment such as a driveway or empty parking
• Obey all the traffic laws, especially stop signs and red lights.
lot to gain a feel for how they function and how much force is
• Wear reflective and light colored clothing.
required to safely stop the bike. • Be aware of other road vehicles behind and nearby.
• Ride at night only if necessary. Slow down and use familiar
• Always avoid using sudden or excessive force when operating • Before entering a street: Stop, look right, left, and right again
roads with street lighting, if possible.
the brake levers. A gradual and smooth pull of the lever is all for traffic.
that is needed to safely reduce your sped and come to a stop. • If there’s no traffic, proceed into the roadway.
IT IS NOT RECOMMENDED TO RIDE AT NIGHT
• If riding downhill, be extra careful. Slow down using the
brakes and maintain control of the steering.
• Never take your hands off the handlebars, or your feet off the
pedals when riding downhill.
PEDALING TECHNIQUE
• Position the ball of your foot on the center of the pedal.
Children should be made aware of all possible riding hazards
• When pedaling, ensure your knees are parallel to the bicycle and correct riding behavior before they take to the streets.
frame. The Consumer Protection Safety Commission
advises that the riding of small wheel diameter
• To absorb shock, keep your elbows slightly bent. Do not leave it up to trial and error. bicycles at excessive speeds can lead to instability
and is not recommended.
14 15BICYCLE CARE
BASIC MAINTENANCE
The following procedures will help you maintain your bicycle for If the hub and bottom bracket bearings of your bicycle have
years of enjoyable riding. been submerged in water, they should be taken out and re-
greased. This will prevent accelerated bearing deterioration.
For painted frames, dust the surface and remove any loose dirt
SERVICING
with a dry cloth. To clean, wipe with a damp cloth soaked in a If paint has become scratched or chipped to the metal, use
mild detergent mixture. Dry with a cloth and polish with car or touch up paint to prevent rust. Clear nail polish can also be used
furniture wax. Use soap and water to clean plastic parts and as a preventative measure.
rubber tires. Chrome plated bikes should be wiped over with a
rust preventative fluid.
Regularly clean and lubricate all moving parts, tighten
components and make adjustments as required. The use of
Always store your bicycle under shelter. Avoid leaving it in the alloy components and Black ED surface treatments minimizes
rain or exposed to corrosive materials. Riding on the beach the number of places where rust can surface.
or in coastal areas exposes your bicycle to salt which is very
corrosive. Wash your bicycle frequently and wipe or spray all
unpainted parts with an anti-rust treatment. Make sure wheel
rims are dry so braking performance is not affected. After rain,
dry your bicycle and apply anti-rust treatment.
KINK PRO
TRAVIS HUGHES
17SCHEDULE 1 - LUBRICATION SCHEDULE 2 - SERVICE CHECKLIST
Frequency Component Lubricant Frequency
Monthly Chain Chain lube Before every ride Check tire pressure
Brake pivots Chain lube Check brake operation
Brake levers Chain lube Check wheels for loose spokes and any wobble
Brake rotor Chain lube Check wheel bolts
Inspect tires for wear and damage
SERVICING
SERVICING
Every Six Months Brake cables Chain lube
Check handlebar, cranks, frame and fork for cracks
Freewheel/Driver Chain lube
Weekly Lubrication as per schedule 1
Yearly Bottom bracket Synthetic grease
Check brake adjustment
Pedals Synthetic grease
Check brake and cable adjustment
Wheel bearings Synthetic grease
Check tire wear and pressure
Headset Synthetic grease
Check wheels are true and spokes tight
Seatpost Synthetic grease
Check hub, head set and crank bearings for proper adjustment
Check pedals are tight
Check handlebars are tight
Check seat and seat post are tight and comfortably adjusted
NOTE: Correct routine maintenance of your new bike will
Check all nuts and bolts are tight
ensure: Smooth running - Longer lasting components -
Safer riding - Lower running costs Monthly Lubrication as per schedule 1
Check all points as per monthly service
Check and replace brake pads, if required
Every time you ride your bicycle, its condition changes. Check chain for excess play or wear
The more you ride, the more frequently maintenance will Yearly Lubrication as per schedule 1
be required. We recommend you spend a little time on
regular maintenance tasks. The following schedules are a
useful guide and by referring to Part 5 of this manual, you
should be able to accomplish most tasks. If you require
assistance, we recommend you see a bicycle specialist.
18 19TOOLS NEEDED TRAVEL TOOLS STORAGE SECURITY
• Phillips Screwdriver • Spare Tube Keep your bicycle in a dry location away from the weather and It is advisable that the following steps be taken to prepare for
• 4mm, 5mm, and 6mm Allen Keys • Patch kit the sun. Ultraviolet rays may cause paint to fade or rubber and and help prevent possible theft.
plastic parts to crack. Before storing your bicycle for a long 1. Maintain a record of the bicycle’s serial number, generally
• Adjustable wrench or a 9mm, 10mm • Pump
period of time, clean and lubricate all components and wax the located on the frame underneath the bottom bracket.
• 17mm open and box end wrenches • Tire levers
frame. Deflate the tires to half pressure and hang the bicycle off
2. Register the bicycle with the local police.
• Pliers with Cable Cutting Ability • Multi-tool the ground. Don’t store near electric motors as ozone emissions
3. Invest in a high quality bicycle lock that will resist hack
SERVICING
SERVICING
• Optional 3/8” Drive Ratchet • Cell Phone may effect the rubber and paint. Don’t cover with plastic as
saws and bolt cutters. Always lock your bicycle to an
• Optional 3/8” Drive Ratchet Extension + 17mm Socket “sweating” will result which may cause rusting. Please notice
immovable object if it is left unattended.
(Peg Installation) that your bicycle warranty does not cover paint damage, rust,
• Optional 9mm, 10mm, 14mm, and 15mm 3/8” Sockets corrosion, dry rot or theft.
• Torque Wrench
20 21WHEELS AND TIRES
DETAILED MAINTENANCE
DETAILED MAINTENANCE
WHEEL INSPECTION • Loose hub bearings: Lift each wheel off the ground and try to TIRE INSPECTION
It is most important that wheels are kept in top condition. move the wheel from side to side.
Tires must be maintained properly to ensure road holding and stability. Check the following areas:
Properly maintaining your bicycle’s wheels will help braking Caution: If there is movement between the axle and the hub,
performance and stability when riding. Be aware of the do not ride the bicycle. Adjustment is required.
following potential problems:
Inflation Ensure tires are inflated to the pressure indicated on the tire sidewalls. It is better to
• Axle nuts: Check that these are tight before each ride. use a tire gauge and a hand pump than a service station pump.
• Dirty or greasy rims: Caution: These can render your Caution: If inflating tires with a service station pump, take care that sudden over
brakes ineffective. Do not clean them with oily or greasy inflation does not cause tire to blow out.
materials. When cleaning, use a clean rag or wash with soapy
water, rinse and air dry. Don’t ride while they’re wet. When
Bead Seating When inflating or refitting tire, make sure that the bead is properly seated in the rim.
lubricating your bicycle, don’t get oil on the rim braking
Tread Check that the tread shows no signs of excessive wear or flat spots, and that there
surfaces.
are no cuts or other damage.
Caution: Excessively worn or damaged tires should be replaced.
• Wheels not straight: Lift each wheel off the ground and
spin them to see if they are crooked or out of true. If wheels Valves Make sure valve caps are fitted and that valves are free from dirt. A slow leak
are not straight, they will need to be adjusted. This is quite caused by the entry of the dirt can lead to a flat tire, and possibly a dangerous
situation.
difficult and is best left to a bicycle specialist.
• Broken or loose spokes: Check that all spokes are tight and
that none are missing or damaged.
Caution: Such damage can result in severe instability and RECOMMENDED TIRE PRESSURES
possibly an accident if not corrected. Again, spoke repairs Please follow the tire manufacturer’s guidelines, which can be found molded into the sidewall of your tires.
are best handled by a specialist.
22 23Loose Ball Front Hub
Cone Nut
Mission Combat Semi-Sealed Rear Cassette Mission Dispatch Sealed Rear Freecoaster
HUB BEARING ADJUSTMENT
Cone Nut Cone Nut
Hub Body When checked, the hub bearings of either wheel will require
adjustment if there is any more than slight side play.
DETAILED MAINTENANCE
DETAILED MAINTENANCE
1. Check to make sure neither locknut is loose.
2. To adjust, remove wheel from bicycle and loosen the locknut
Washer Axle on one side of the hub while holding the bearing cone on the
Washer Hub Body Axle Washer Axle same side with a flat open end wrench.
Axle Nut Ball Bearing Lock Nut Hub Body
Axle Nut Ball Bearing Lock Nut Axle Nut Cartridge Bearing Lock Nut
3. Rotate the adjusting cone as needed to eliminate free play.
Mission Echo Sealed Front Hub Mission React Sealed Rear Cassette
4. Re-tighten the locknut while holding the adjusting cone in
position.
Cone Nut Driver
5. Re-check that the wheel can turn freely without excessive
Hub Body side play.
Washer Axle Washer Hub Body Axle
Cartridge Bearing Lock Nut Axle Nut Cartridge Bearing Lock Nut
Axle Nut
For proper slack adjustment of freecoaster
rear hubs, please visit your local qualified
Mission Invade Sealed Front Hub Mission Deploy Sealed Rear Freecoaster bike mechanic.
Driver
Cone Nut Washer Hub Body
Hub Body
Washer Axle
Axle Lock Nut
Axle Nut Cartridge Bearing
24 Axle Nut Cartridge Bearing
25HOW TO FIX A FLAT TIRE Remove tire bead from rim
DETAILED MAINTENANCE
DETAILED MAINTENANCE
IF YOU NEED TO REPAIR A TIRE, FOLLOW THESE STEPS: 13. Fit the rest of the tire, rolling the last, most difficult part on
using your thumbs. NOTE: Avoid using tire levers as these
1. Remove the wheel from the bicycle. causes. Replace the rim tape which covers the spoke ends, can easily puncture the tube or damage the tire.
if damaged.
2. Deflate the tire completely via the valve. Loosen the tire 14. Using a hand pump, inflate the tube until the tire begins to
bead by pushing it inward all the way around. 8. Replace the tube or patch leak using a tube repair kit, take shape, and check that the tire bead is evenly seated all
carefully following the instructions. NOTE: Ensure that the way around the rim. NOTE: An unseated tire bead can
3. Make note of the tube and tire orientation before fully the replacement tube size matches the size stated on the cause a blowout, damaging the tube, tire, and rim. When
removing from the rim. This will help locate the location and tire sidewall and that the valve is the correct type for your properly seated, fully inflate the tire to the pressure marked
cause of the leak(s). bicycle. on the sidewall. Use a tire air pressure gauge to check.
4. Press one side of the tire bead up over the edge of the rim. 9. Remount one side of the tire onto the rim. 15. Replace the wheel into the frame and check brakes and
NOTE: Use tire levers, not a screwdriver, otherwise you may ensure axle nuts are secure.
damage the rim. 10. Using a hand pump, inflate the tube just enough to give it
some shape. Place the valve stem through the hole in the
5. Remove tube from tire and rim. Inflate tube and use soapy rim and work the tube into the tire. NOTE: Do not let it twist.
water to locate leak(s).
11. Using your hands only, remount the other side of the tire
6. Remove the tire completely. Line up your mark on the tire by pushing the edge toward the center of the rim. Start
with the mark on the tube and inspect tire for a nail, glass, on either side of the valve and work around the rim. NOTE:
etc. at leak site and remove if located. Check the rest of Check that the tube is not caught between the rim and the
tires just in case, including inspecting the tire bead for tire bead at any point.
damage. Replace if needed.
Push tire bead back over rim
12. Before the tire is completely mounted, push the valve
7. Now line up the mark on the rim with the mark on the tube up into the rim to make sure the tire can sit squarely in Push tire bead into center of rim
and inspect the inside of the rim and at leak site to ensure position.
there are no protruding spokes, rust or other potential
26 27STEM HANDLEBARS
DETAILED MAINTENANCE
DETAILED MAINTENANCE
THREADLESS STEMS number of options that are available to you. Your dealer will be The exact positioning of the handlebar is a matter of personal be four clamping bolts. Please note that if you need to replace
able to demonstrate the various options available and help you comfort. On BMX bicycles, the handlebar should remain in the fork on your bicycle at any time, please consult a qualified
Direct-connect or threadless type stems can not be raised from
choose the best one for your needs. If you have any questions an approximately upright position but can be angled back or bicycle technician.
their original height. They can however be lowered by switching
on adjustment of your direct-connect stem, please see your forward slightly for comfort. On BMX style bicycles there may
the spacers from beneath the stem to above the stem. If you
local dealer for service assistance.
find that you need to have the handlebar raised, there are a
Equal Space
TIGHTENING ORDER
1, 2, 3, 4... 1, 2, 3, 4... Repeat.
Stem Side
1 3 GRIP GRIP
Equal Space
Warning: Over-tightening the
HANDLEBAR
stem bolt or headset assembly
may cause damage to the bicycle
and/or injury to the rider.
Stem Top
Never ride unless
4 2 the handlebar
clamping
STEM
mechanism has
Equal Space been securely
tightened.
28 291 1/8” Threadless Headset Integrated Headset
HEADSET
DETAILED MAINTENANCE
Spacer
DETAILED MAINTENANCE
INSPECTION HEADSET TYPE
Compression Wedge
The headset bearing adjustment should be checked every There are 2 main types of headset in common use today. The
month. This is important as it is the headset which allows the most basic type is the standard, external headset where the Bearing Cover Bearing Cover
fork to turn freely inside the frame, and if loose, can cause bearings sit outside of the headtube inside cups that are Upper Bearing Race
damage or result in an accident. While standing over the frame pressed into the frame. This type of headset is commonly Upper Bearing Compression Wedge
top tube with both feet on the ground, rock the bicycle back and referred to as a 1 1/8” threadless headset.
forth; if you detect any looseness in the headset, it will need Upper Cup
Sealed Bearing
adjustment. Check that the headset is not over tight by slowly
Another regularly used headset type is an integrated headset
rotating the fork to the right and left. If the fork tends to stick or
in which the bearings sit directly inside a specially design
bind at any point, the bearings are too tight.
headtube. This type of integrated headset can be found only in
threadless versions and is the most common among BMX style
ADJUSTMENT bikes. In this type of headset the bearings are placed directly in
Headset bearing adjustment requires special tools and training the frame without the need for a pressed in cup. This allows for Headtube Headtube
Improper adjustment can result in damage to the bicycle as a light weight and strong headset assembly.
well as threaten the rider’s safety. For these reasons, we
recommend that an authorized dealer perform all necessary It is important to understand that each of these types of
headset adjustments. headset are not interchangeable and have very specific
Note: Do not over tighten or bearing damage will occur. requirements for proper fit and adjustment. If you have any
questions regarding the headset used on your specific bicycle, Lower Cup
or are in need of service, please contact your local dealer for Always make sure that the
Sealed Bearing
Lower Bearing
headset is properly adjusted and
assistance. fully tightened before riding.
Bearing Seal Bearing Race
(If applicable)
Bearing Race Warning: Over-tightening the
stem bolt or headset assembly
may cause damage to the bicycle
30 and/or injury to the rider. 31SADDLE AND SEAT POST ADJUSTMENT
As mentioned in Before You Ride (Page 9), the seat can
The second system is Pivotal®. This uses a special seat and
seat post, which can only be used with other Pivotal® seats and
posts. You simply thread the bolt from the top of the seat into
DETAILED MAINTENANCE
DETAILED MAINTENANCE
be adjusted in height and angle to suit the individual rider.
the top of the seat post with an Allen key. Simply choose your
INSPECTION Saddle angle is a matter of personal preference but the most
angle and mate the teeth on the seat and teeth the post. There is
The seat bolt and the seat post clamp bolt should be comfortable position will usually be found when the top of the
no fore and aft adjustment.
checked for tightness and adjustment every month. On seat is almost parallel to the ground, or slightly raised at the
front. The third system is the Stealth Pivotal® which assembles
removing the seat post from the frame, you will notice
similarly to the traditional Pivotal® system, but with reverse
a mark about 65mm up from the bottom with the words There are 3 types of seat systems commonly in use on Kink
threading from the bottom of the post.
“max. height” or “minimum insertion”. To avoid damage to BMX bicycles:
either the seat post, the frame or possibly the rider, the
The first system is a combination seat/seat post, which comes NOTE: Remember that the minimum insertion mark must remain
minimum insertion mark must be inside the frame.
at a fixed angle and is only adjustable vertically. inside the frame assembly.
BRAKES
The correct adjustment and operation of your bicycle’s brakes
is extremely important for safe operation. Brakes should be
checked for effective operation before every ride. Frequent
checking of adjustment is necessary as the control cables will
stretch and the brake pads will become worn with use.
There are two types of hand operated bicycle brakes in
common use: side pull calipers and cantilever calipers. Both
utilize a handlebar mounted lever which controls a cable to
operate the brake. Side pull brakes are mounted to the frame
or fork via a single pivot point. Cantilever brakes use two brake
pivot arms, each mounted on separate pivots on either side of
the frame/fork.
32 33Never ride a bicycle unless the brakes
are functioning properly.
DETAILED MAINTENANCE
DETAILED MAINTENANCE
INSPECTION CABLES AND CABLE HOUSING
Brake levers should be checked for tightness at least every Cables and housing are one of the most overlooked parts
three months. They should be set in a comfortable position on the bicycle. The first indication that your cables and
within easy reach of the rider’s hands, and must not be able to housing need to be replaced is an increased amount of
move on the handlebar. Some brake levers make use of a reach pressure needed to operate the brakes. Before every ride,
adjustment screw, which can be altered to the distance between check that there are no kinks or frays in the cables and Good Housing
good, bad cables
the handlebar grip and the lever, as required. The brake pads housing. Also check that the housing is seated properly
should be checked for correct positioning and tightness before into each cable stop of the bicycle. It is recommended that
every ride, and the various bolts and nuts at least every three the cables and housing are replaced at least every riding
Kink
months. Squeeze each brake lever to make sure they operate season to prolong the life of your bike.
freely and that the brake pads press hard enough on the rims
to stop the bike. There should be about 1mm - 2mm clearance Good Cable
between each pad and the rim when the brakes are not applied.
The brake pads must be properly centered for maximum
contact with the rim. Replace the brake pads if they are over
worn so that the grooves or pattern cannot be seen. The brake
cable wires should be checked for kinks, rust, broken strands or
Fray
frayed ends. The outer casing should also be checked for kinks,
stretched coils and other damage. If the cables are damaged,
they should be replaced.
Ensure the brake fixing nut is secured
tightly. Failure to do this may cause the Do not ride a bicycle if there are kinks or
brake assembly to dislodge from the fork frays in the cable or housing.
and/or seatstay.
34 35LUBRICATION
DETAILED MAINTENANCE
DETAILED MAINTENANCE
The brake lever and brake caliper pivot points should be Your bike may have the rear U-brake located either on the Note: Brake adjustments can require specialized tools and
lubricated with 2-3 drops of chain lube at least every three Barrel Adjuster
underside of the frame seatstays, or on the topside of the knowledge. It is recommended that you bring your bike in to
Lock Nut
months to ensure smooth operation and to reduce wear. Cables your local authorized dealer for expert service.
frame chainstays depending on your bikes frame design. BMX
should be greased along their entire length, after removing them U-brakes also have a number of different ways that the brake
Brake Lever
from their casings, at least every six months. Always grease cables can be routed, each requiring different considerations
Brake Lever Bracket
new cables before fitting. regarding their adjustment and maintenance. If you have
Cable
any questions regarding your bikes specific brake set-up or
operation, please contact you authorized dealer for assistance
ADJUSTMENT - U-BRAKES Grip
or service.
As with most brake systems, minor adjustments can be made
with the barrel adjuster on the brake lever. To adjust, loosen Handlebar
To adjust the brakes so that the brake pads are an equal
the barrel adjuster locknut and turn the barrel adjuster out
distance from the rim, you will need to adjust the brake arm
counter-clockwise to reduce brake pad clearance and lever
spring tension. There are two main types of spring tension
pull. To increase brake pad clearance and lever pull, turn the
adjustment. The first type will utilize a small screw located on
barrel adjuster in clockwise. When adjustment is complete, hold
the side of each brake arm. To increase the spring tension, turn
the barrel adjuster in place and turn the lock ring so that it is
the screw in clockwise. To decrease the spring tension, turn
tight against the brake lever body. This will lock the adjustment
the screw out counter-clockwise. The second type utilizes a
in place. Note that this process should only be done for very
spring tension-adjusting nut located at the brake arm-mounting
minor brake adjustments. Larger adjustments should be made
bolt. If the left brake pad is too close to the rim, turn the left
at either the brake arm pinch bolt or the straddle cable pinch
side tension-adjusting nut clockwise to increase clearance. If
bolt. To adjust, loosen the brake cable pinch bolt and either pull
the right brake pad is too close to the rim, turn the right side
more cable through or let more cable out, depending on what is
tension-adjusting nut counterclockwise to increase clearance.
needed. While holding the cable in position, re-tighten the cable
You should also ensure that the brake pads contact the rim in a
pinch bolt. As with any new brake adjustment, compress and
parallel fashion and are centered on the rims brake wall surface.
release the brake lever at least 10 times to ensure proper brake
operation.
36 37DRIVETRAIN
The drivetrain of a bicycle refers to all parts that transmit power LUBRICATION AND ADJUSTMENT PEDAL ATTACHMENT
DETAILED MAINTENANCE
DETAILED MAINTENANCE
to the rear wheel including the pedals, chain, chainwheel, crank Many pedals cannot be disassembled to allow access to the NOTE: The right and left pedals of a bicycle each have a different
set, and freewheel. internal bearings and axle. However, it is usually possible to thread and are not interchangeable.
inject a little oil onto the inside bearings, and this should be Never force a pedal into the incorrect crank arm.
The right pedal, which attaches to the right crank arm, is
PEDALS done every six months. If the pedal is the type that can be
fully disassembled, then the bearings should be removed, marked ‘R’ on the end of the axle, and screws in with a
Pedals are available in a variety of shapes, sizes and materials,
and each are designed with a particular purpose in mind. cleaned and greased every six to twelve months. Because of clockwise thread. The left pedal, which attaches to the left
the wide variety of pedal types and their internal complexity, crank arm, is marked ‘L’ on the axle, and screws in with a
INSPECTION disassembly procedures are beyond the scope of this manual counter-clockwise thread. Insert the correct pedal into the
Pedals should be inspected every month, taking note of the and further assistance should be sought from a specialist. crank arm and begin to turn the thread with your fingers only.
following areas: When the axle is screwed all the way in, securely tighten using a
• Check correct tightness into the crank arms. If pedals are 15mm wrench.
allowed to become loose, they will not only be dangerous but If removing a pedal, remember that the right pedal axle must LEFT
will also cause irreparable damage to the cranks. be turned counter clockwise, i.e. the reverse of when fitting.
• Check that pedal bearings are properly adjusted. Move the If replacing the original pedals with a new set, make sure the
pedals up and down, and right to left, and also rotate them size and the axle thread is compatible with the cranks on your
by hand. If you detect any looseness or roughness in the bicycle. Bicycles use one of two types of cranks and these
pedal bearings then adjustment, lubrication or replacement use different axle threads. Your bike may be equipped with
is required. cranks that are a one piece design with no separate axle. These
• Ensure that the front and rear pedal reflectors are clean and operate with pedals that have a 1/2”(12.7mm) thread. Bikes
securely fitted. equipped with three piece crank sets with a separate axle, left
crank and right crank, use a slightly larger 9/16”(14mm) thread.
NOTE: Never try and force a pedal with the wrong thread size into
a bicycle crank.
RIGHT
38 39CRANKSET The second type of bottom bracket (Mid BB – p.42-43, diag. Splined 3 piece crank with sealed bearings
2,3,4) consists of two bearings that are pressed directly into
The crank set refers to the crank arms, chain ring, spindle,
the frame and do not require adjustment or lubrication. Mid Crank Arm
and bottom bracket bearing assembly. There are two general
DETAILED MAINTENANCE
DETAILED MAINTENANCE
bottom brackets require a specially designed bottom bracket Pinch Bolt
types of crank sets commonly found on BMX bikes; one-piece Sprocket Bolt
shell that accommodate specifically sized sealed bearings.
cranks, where the crank arms and spindle are combined Seal Cartridge
Bearing
into one continuous piece, and what are often referred to as
three-piece cranks. The three-piece crank set consists of two In addition to the different bottom bracket bearing assemblies,
separate crank arms and a separate bottom bracket spindle. there are also two main types of spindles used. These types
The crank arms bolt directly on to the spindle. One-piece cranks differ in the way that the crank arm interfaces with the spindle
are generally found on more basic, general use BMX bikes while itself.
three-piece type cranks will be found on more advanced BMX
Spacer Bearing Cup
bikes. Please take the time to familiarize yourself with the type The first type uses a multi sided, tapered interface between
of crank set used on your bicycle. Splined Spindle
the crank arm and spindle. This type is usually found on the
adjustable type bottom brackets, but can also be found on some
Never ride your bike if the cranks are
loose. This may be dangerous and will nonadjustable cartridge units.
damage the crank arms beyond repair. INSPECTION AND ADJUSTMENT In general, bottom bracket bearing adjustment and service
usually requires specialized tools and knowledge. It is
It is important to check your crankset and bottom bracket for
The second type utilizes a series of splines that help lock the recommended that you bring your bike in to your local
proper adjustment on a regular basis. For 3-piece type cranks,
BOTTOM BRACKET crank arm into place and provide a stronger and more secure authorized dealer for this service.
you should make sure that both the crank axle bolts as well as
There are 2 types of bottom bracket styles found on Kink BMX fitting. This type of system is commonly found on racing style
any crank arm pinch bolts are properly tightened. To check for
bikes. All one-piece cranks and some three-piece crank sets BMX bikes as well as more advanced freestyle BMX bikes. When
proper adjustment for any crank, grab the crank arms and try to
utilize a standard adjustable bearing bottom bracket. This type working with a splined system, it is important to be sure that
move them from side to side. The crank arms should not be able
of system (American BB – p.42 diag. 1) consists of two bearing the crank arms are properly lined up with one another once
to move on the spindle and there should not be any play in the
cups that are pressed into the frame, a series of loose ball installed. It is also important to apply grease to the splines
bottom bracket bearing assembly. You should also check to be
bearings, an adjustable bearing race that threads directly on to before any reassembly.
sure the bearings run smoothly. With the chain removed from
the spindle, and a lock nut, which also threads on to the spindle
the chainwheel, spin the cranks around. They should be able to
to lock the adjustment into place.
spin freely and smoothly. If not, then adjustment or lubrication
will be needed.
40 41DETAILED MAINTENANCE 1 3
DETAILED MAINTENANCE
3-piece Crankset with American BB 2-piece Crankset with Sealed Mid BB (8-Spline)
2 4
3-piece Crankset with Sealed Mid BB 2-piece Crankset with Sealed Mid BB (48-Spline)
42 43MISCELLANEOUS TROUBLESHOOTING
REFLECTORS
DETAILED MAINTENANCE
DETAILED MAINTENANCE
PROBLEM POSSIBLE CAUSE SOLUTION
Your bicycle is supplied with one front (white), one rear (red), two wheel (white), and four pedal (orange) reflectors. (Please Note:
Slipping Chain • Excessively worn/chipped chainring • Replace chainring, sprockets an chain
Sidewalk bikes, 12” and under, may not have reflectors.) These are an important safety and legal requirement, and should remain
or freewheel sprocket teeth • Replace chain
securely fitted and in good, clean condition at all times. Periodically, inspect all reflectors, brackets and mounting hardware for signs
• Chain worn/stretched • Lubricate or replace link
of wear or damage. Replace immediately if damage is found.
• Stiff link in chain • Seek advice at a bicycle shop
• Non compatible chain/chainring/
freewheel
Chain Jumping off freewheel sprocket or • Chainring out of true • Re-true if possible, or replace
chainring • Chainring loose • Tighten mounting bolts
• Chainring teeth bent or broken • Repair or replace chainring/set
• Improper chain adjustment
Constant clicking noises when pedaling • Stiff chain link • Lubricate chain/adjust chain link
• Loose pedal axle/bearings • Adjust bearings/axle nut
• Loose bottom bracket axle/bearings • Adjust bottom bracket
• Bent bottom bracket or pedal axle • Replace bottom bracket axle or pedals
• Loose crankset • Tighten crank bolts
Grinding noise when pedaling • Pedal bearings too tight • Adjust bearings
• Bottom bracket bearings too tight • Adjust bearings
• Rear hub issues
44 45TROUBLESHOOTING TROUBLESHOOTING
DETAILED MAINTENANCE
DETAILED MAINTENANCE
PROBLEM POSSIBLE CAUSE SOLUTION PROBLEM POSSIBLE CAUSE SOLUTION
Brakes not working effectively • Brake pads worn down • Replace brake pads Steering not Accurate • Wheels not aligned in frame • Align wheels correctly
• Brake pads/rim greasy, wet or dirty • Clean pads and rim • Headset loose or binding • Adjust/tighten headset
• Brake cables are binding/stretched/ • Clean/adjust/replace cables/lube • Front forks or frame bent • Take bike to a bike shop for possible
damaged • Adjust brake levers/lube • Wheel and bars not aligned frame realignment
• Brake levers are binding • Center brakes • Check stem and fork alignment
• Brakes out of adjustment
Frequent Punctures • Inner tube old or faulty • Replace inner tube
When applying the brakes they squeal/ • Brake pads worn down • Replace pads • Tire tread/casing worn • Replace tire
squeak • Brake pad toe-in incorrect • Correct pad toe-in • Tire unsuited to rim • Replace with correct tire
• Brake pads/rim dirty or wet • Clean pads and rim • Tire not checked after previous • Remove sharp object embedded in tire
• Brake arms loose • Tighten mounting bolts puncture • Correct tire pressure
Knocking or shuddering when applying • Bulge in the rim or rim out of true • True wheel or take to a bike • Tire pressure too low • File down spoke
brakes • Brake mounting bolts loose shop for repair • Spoke protruding into rim
• Brakes out of adjustment • Tighten bolts
• Fork loose in head tube • Center brakes and/or adjust
brake pad toe-in
• Tighten headset
Wobbling Wheel • Axle broken • Replace axle
• Wheel out of true • True wheel
• Hub comes loose • Adjust hub bearings
• Headset binding • Adjust headset
• Hub bearings collapsed • Replace bearings
• Loose spokes
• Tire bead not seated correctly
46 47It’s important to your performance, enjoyment and safety to 2. While pushing the wheel firmly to the top of the slots in the fork
B. BRAKES Most brakes have some form of quick release mechanism
understand how things work on your bicycle. Even if you’re an dropouts, and at the same time centering the wheel rim in the fork, to allow the brake shoes to clear the tire when a wheel is
NOTE: For most effective braking, use both brakes and apply them
experienced bicyclist, don’t assume that the way things work use a six-inch adjustable wrench or a 17mm box wrench to tighten removed or reinstalled. When the brake quick release is in the
simultaneously.
on your new bike is the same as how they work on older bikes. the axle nuts as tight as you can. open position, the brakes are inoperative. Make sure that you
HOW THINGS WORK
WARNING: Sudden or excessive application of the front brake
HOW THINGS WORK
Be sure to read and to understand this section of the Manual. If 3. Close the brake shoes; then spin the wheel to make sure that it is understand the way the brake quick release works on your bike
may pitch the rider over the handlebars, causing serious injury
you have even the slightest doubt as to whether you understand centered in the frame and clears the brake shoes. and check each time to make sure both brakes work correctly
or death.
something, talk to a qualified specialist. REMOVING A BOLT-ON REAR WHEEL before you get on the bike.
1. Open the rear brake shoes.
1. HOW BRAKES WORK
A. REMOVING AND INSTALLING 2. With a box wrench or a six-inch adjustable wrench, loosen the two
Brakes are designed to control your speed, not just to stop
BOLT-ON WHEELS axle nuts.
the bike. Maximum braking force for each wheel occurs at
REMOVING A BOLT-ON FRONT WHEEL It’s important to your safety that you instinctively know which the point just before the wheel “locks up” (stops rotating) and
3. Remove chain from driver by pushing axle against dropouts. NOTE:
brake lever controls which brake on your bike. In the U.S., bikes starts to skid. Once the tire skids, you actually lose most of
1. Open up the brake shoes. if your chain is too tight you may need to break it in order to remove
are required to be set up with the right brake lever controlling your stopping force and all directional control. You need to
2. With a 17mm box wrench or a six inch adjustable wrench, loosen the your wheel.
the rear brake, and the left lever controlling the front brake. practice slowing and stopping smoothly without locking up a
two axle nuts. 4. Lift the rear wheel off the ground a few inches and push the wheel
wheel. The technique is called progressive brake modulation.
3. If your front fork has a clip-on type secondary retention device, forward and down until it comes out of the rear dropouts.
The braking action of a bicycle is a function of the friction Instead of jerking the brake lever to the position where you
disengage it and go to step (4). If your front fork has an integral INSTALLING A BOLT-ON REAR WHEEL think you’ll generate appropriate braking force by squeezing the
between the brake surfaces -- usually the brake shoes and
secondary retention device, loosen the axle nuts about six full lever, progressively increasing the braking force. If you feel the
1. Put the chain on to the smallest sprocket. Then, insert the wheel
the wheel rim. To make sure that you have maximum friction
turns; then go to step (4). wheel begin to lock up, release pressure just a little to keep the
into the frame dropouts and pull it all the way in to the dropouts.
available, keep your wheel rims and brake shoes clean and free
4. Raise the front wheel a few inches off the ground and tap the top of The axle nut washers should be on the outside, between the frame wheel rotating just short of lockup. It’s important to develop a
of lubricants, waxes or polishes.
the wheel with the palm of your hand to knock the wheel out of the and the axle nut. feel for the amount of brake lever pressure required for each
fork ends. wheel at different speeds and on different surfaces. To better
2. Place chain back over driver, or reattach your chain if you use a
Make sure that your hands can reach and squeeze the brake understand this, experiment a little by walking your bike and
INSTALLING A BOLT-ON FRONT WHEEL master link. Make sure chain is taught before you tighten the axles.
levers comfortably. If your hands are too small to operate the applying different amounts of pressure to each brake lever,
1. With the steering fork facing forward, insert the wheel between the 3. Tighten the axle nuts as tightly as you can, using a six-inch adjust-
levers comfortably, consult your dealer before riding the bike. until the wheel locks.
fork blades so that the axle seats firmly at the top of the slots which able wrench or a 17mm box wrench.
The lever reach may be adjustable; or you may need a different
are at the tips of the fork blades. The axle nut washers should be
4. Close the brake; then spin the wheel to make sure that it is centered brake lever design.
on the outside, between the fork blade and the axle nut. If your bike
in the frame and clears the brake shoes.
has a clip-on type secondary retention device, engage it.
48 49When you apply one or both brakes, the bike begins to slow, but Everything changes when you ride on loose surfaces or in wet C. TIRES AND TUBES Tire pressure is given either as maximum pressure or as a
your body wants to continue at the speed at which it was going. weather. Tire adhesion is reduced, so the wheels have less pressure range. How a tire performs under different terrain or
1. TIRES
This causes a transfer of weight to the front wheel (or, under cornering and braking traction and can lock up with less brake weather conditions depends largely on tire pressure. Inflating
Bicycle tires are available in many designs and specifications,
heavy braking, around the front wheel hub, which could send force. Moisture or dirt on the brake shoes reduces their ability the tire to near its maximum recommended pressure gives the
ranging from general-purpose designs to tires designed to
HOW THINGS WORK
HOW THINGS WORK
you flying over the handlebars). A wheel with more weight on it to grip. The way to maintain control on loose or wet surfaces is lowest rolling resistance; but also produces the harshest ride.
perform best under very specific weather or terrain conditions.
will accept greater brake pressure before lockup; a wheel with to go more slowly to begin with. High pressures work best on smooth, dry pavement. Very low
Your bicycle has been equipped with tires which the bike’s
less weight will lock up with less brake pressure. So, as you pressures, at the bottom of the recommended pressure range,
manufacturer felt were the best balance of performance and
apply brakes and your weight shifts forward, you need to shift give the best performance on smooth, slick terrain such as
2. ADJUSTING YOUR BRAKES value for the use for which the bike was intended. If, once you’ve
your body toward the rear of the bike, to transfer weight back hard-packed clay, and on deep, loose surfaces such as deep, dry
If either brake lever on your bike fails the Mechanical Safety gained experience with your new bike, you feel that a different
on to the rear wheel; and at the same time, you need to both sand. Tire pressure that is too low for your weight and the riding
Check you can restore brake lever travel by turning the tire might better suit your riding needs, your dealer can help you
decrease rear braking and increase front braking force. This conditions can cause a puncture of the tube by allowing the tire
brake cable adjusting barrel counterclockwise, then lock the select the most appropriate design.
is even more important on steep descents, because descents to deform sufficiently to pinch the inner tube between the rim
adjustment in by turning the barrel’s lock nut clockwise as far as The size, pressure rating, and on some high-performance tires
shift weight forward. The keys to effective speed control and and the riding surface.
it will go. If the lever still fails the Mechanical Safety Check, or the specific recommended use, are marked on the sidewall of
safe stopping are controlling wheel lockup and weight transfer.
you have any question about whether your brakes are working CAUTION: Pencil type automotive tire gauges and gas station
Practice braking and weight transfer techniques where there is the tire. The part of this information which is most important to
properly have your dealer check the brakes. air hose pressure settings can be inaccurate and should not be
no traffic or other hazards and distractions. you is Tire Pressure.
relied upon for consistent, accurate pressure readings. Instead,
WARNING: Never inflate a tire beyond the maximum pressure use a high quality dial gauge.
marked on the tire’s sidewall. Exceeding the recommended
Check inflation as described in you’ll know how correctly inflated
maximum pressure may blow the tire off the rim, which could
tires should look and feel. Some tires may need to be brought up
cause damage to the bike and injury to the rider and bystanders.
to pressure every week or two.
The best way to inflate a bicycle tire to the correct pressure is
with a bicycle pump. Some special high-performance tires have unidirectional treads:
their tread pattern is designed to work better in one direction
CAUTION: Gas station air hoses move a large volume of air very
than in the other. The sidewall marking of a unidirectional tire will
rapidly, and will raise the pressure in your tire very rapidly. To
have an arrow showing the correct rotation direction. If your bike
avoid over inflation when using a gas station air hose, put air into
has unidirectional tires, be sure that they are mounted to rotate
your tire in short, spaced bursts.
in the correct direction.
50 51You can also read
