Dynacraft BMX User manual

12” – 24” BMX
OWNER’S
MANUAL
THIS MANUAL CONTAINS IMPORTANT SAFETY, PERFORMANCE AND MAINTENANCE INFORMATION. READ THE MANUAL BEFORE TAKING YOUR FIRST
RIDE ON YOUR NEW BICYCLE, AND KEEP THE MANUAL HANDY OF FUTURE REFERENCE.
NOTE: Illustrations in this Manual are for reference purposes only and may not reflect the exact appearance of the actual product. Specifications are subject to change without notice.
DO NOT return this item to the store.
Questions or comments?
1-800-288-1560

HELMET USE & GENERAL MANUAL DISCLAIMER
NOTE: The illustrations in this manual are used simply to provide examples; the components of your bicycle might differ. In
addition, some of the parts shown might be optional and not part your bicycle’s standard equipment.
The following manual is only a guide to assist you and is not a complete or comprehensive manual of all aspects of
maintaining and repairing your bicycle. If you are not comfortable, or lack the skills or tools to assemble the bicycle yourself,
you should take it to a qualified mechanic at a bicycle shop. Additionally, you can write or call us concerning missing parts or
assembly questions.
Dynacraft 1-800-551-0032
89 South Kelly Road, American Canyon, CA 94503
www.dynacraftwheels.com
1

Correct fitting
Make sure your helmet covers
your forehead.
Incorrect fitting
Forehead is exposed and vulnerable
to serious injury.
HELMETS SAVE LIVES!
WARNING: Always wear a properly fitted helmet when you ride your
bicycle. Do not ride at night. Avoid riding in wet conditions.
2

ABOUT THIS MANUAL
This manual was written to help you get the most performance, comfort, enjoyment and safety when riding your new bicycle.
It is important for you to understand your new bike. By reading this manual before you go out on your first ride, you’ll know
how to get the most from your new bicycle. It is also important that your first ride on your new bicycle is taken in a controlled
environment, away from cars, obstacles, and other cyclists.
GENERAL WARNING
Bicycle riding 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. Dynacraft does not encourage stunting, trick riding, ramp
riding, jumping, aggressive riding, riding on severe terrain, riding in severe climates, riding with heavy loads, riding double,
commercial activities; such use is inherently dangerous, can cause serious injury to the rider, and if done it is with the rider’s
express and implied assumption of the risk of such use and Dynacraft shall not have any responsibility for any breakdown of
the bicycle, its components or rider injuries that occur during such use.
NOTE TO 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 that your child is
riding is properly fitted to the child; that it is in good repair and safe operating condition; that the play of young children
is supervised by an adult; that you and your child have learned, understand and obey not 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.
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AABOUT YOUR BIKE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Model/Serial number Identification. . . . . . . . . . . . . . . . . . . 5
Customer service . . . . . . . . . . . . . . . . . . . . . . . . . 5
Spaces to write info . . . . . . . . . . . . . . . . . . . . . . . . 5
BBEFORE YOU RIDE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Tool list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Frame sizing . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Rules of the road/safety tips . . . . . . . . . . . . . . . . . . . . . 8
Night riding . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Safety checklist. . . . . . . . . . . . . . . . . . . . . . . . . . 11
CBICYCLE ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Getting Started . . . . . . . . . . . . . . . . . . . . . . . . . .12
1. Pedals . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2. Seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3. Testing Seat Clamp and Post Clamp Tightness . . . . . . . . . . . . .14
4. Handlebar/Stem . . . . . . . . . . . . . . . . . . . . . . . .14
5. Testing Handlebar and Stem Tightness . . . . . . . . . . . . . . . 15
6. Front Wheel . . . . . . . . . . . . . . . . . . . . . . . . . . 16
7. Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
8. Coaster Brakes . . . . . . . . . . . . . . . . . . . . . . . . 17
9. Testing Brake Functions . . . . . . . . . . . . . . . . . . . . . 17
10. Rotor Assembly . . . . . . . . . . . . . . . . . . . . . . . . 18
11. Training wheels . . . . . . . . . . . . . . . . . . . . . . . .20
CONTENTS
CONTENTS
AABOUT YOUR BIKE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Model/Serial Number Identification . . . . . . . . . . . . . . . . . . 6
Customer Service . . . . . . . . . . . . . . . . . . . . . . . . . 6
Spaces to Write Info . . . . . . . . . . . . . . . . . . . . . . . . 6
BBEFORE YOU RIDE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Tool List . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Frame Sizing . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Rules of the Road/Safety Tips . . . . . . . . . . . . . . . . . . . . 8
Night Riding . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Safety Checklist. . . . . . . . . . . . . . . . . . . . . . . . . . 12
CBICYCLE ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Getting Started . . . . . . . . . . . . . . . . . . . . . . . . . .13
1. Pedals . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
2. Seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3. Testing Seat Clamp and Post Clamp Tightness . . . . . . . . . . . . .16
4. Handlebar/Stem . . . . . . . . . . . . . . . . . . . . . . . .16
5. Testing Handlebar and Stem Tightness . . . . . . . . . . . . . . . 17
6. Front Wheel . . . . . . . . . . . . . . . . . . . . . . . . . . 18
7. Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
8. Testing Brake Functions . . . . . . . . . . . . . . . . . . . . . 20
9. Rotor Assembly . . . . . . . . . . . . . . . . . . . . . . . . 21
10. Training Wheels . . . . . . . . . . . . . . . . . . . . . . . .24
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12. Tire inflation . . . . . . . . . . . . . . . . . . . . . . . . . 21
13. Reflectors . . . . . . . . . . . . . . . . . . . . . . . . . . 22
14. Pegs . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
15. Streamers, Pads & Bags . . . . . . . . . . . . . . . . . . . . .23
16. Handlebar Accessories. . . . . . . . . . . . . . . . . . . . . . 23
DBICYCLE ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Seat adjustment . . . . . . . . . . . . . . . . . . . . . . . . . 24
Stem adjustment . . . . . . . . . . . . . . . . . . . . . . . . . 25
Handlebar adjustment . . . . . . . . . . . . . . . . . . . . . . . 26
Brake lever adjustment . . . . . . . . . . . . . . . . . . . . . . .26
Brake adjustment . . . . . . . . . . . . . . . . . . . . . . . . .26
EMAINTENANCE AND INSPECTION . . . . . . . . . . . . . . . . . . . . .29
Inspection items . . . . . . . . . . . . . . . . . . . . . . . . . 29
Service schedule . . . . . . . . . . . . . . . . . . . . . . . . . 29
Chain Adjustment . . . . . . . . . . . . . . . . . . . . . . . . .29
Tire Removal/Seating. . . . . . . . . . . . . . . . . . . . . . . . 30
Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Bearing Inspection. . . . . . . . . . . . . . . . . . . . . . . . . 32
FWARRANTY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
11. Tire Inflation . . . . . . . . . . . . . . . . . . . . . . . . . 25
12. Reflectors . . . . . . . . . . . . . . . . . . . . . . . . . . 26
13. Pegs . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
14. Streamers, Pads and Bags . . . . . . . . . . . . . . . . . . . . 27
15. Handlebar Accessories. . . . . . . . . . . . . . . . . . . . . . 27
DBICYCLE ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Seat Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . 28
Stem Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . 29
Handlebar Adjustment . . . . . . . . . . . . . . . . . . . . . . . 30
Brake Lever Adjustment. . . . . . . . . . . . . . . . . . . . . . . 30
Testing Handlebar and Stem Tightness . . . . . . . . . . . . . . . . . 30
Brake Adjustment . . . . . . . . . . . . . . . . . . . . . . . . .31
EMAINTENANCE AND INSPECTION . . . . . . . . . . . . . . . . . . . . .33
Tire Removal/Seating. . . . . . . . . . . . . . . . . . . . . . . . 34
Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Bearing Inspection. . . . . . . . . . . . . . . . . . . . . . . . . 36
FLIMITED WARRANTY . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Limited Warranty . . . . . . . . . . . . . . . . . . . . . . . . . 37
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ABOUT YOUR BIKEABOUT YOUR BIKE
MODEL/SERIAL NUMBER IDENTIFICATION
Each Dynacraft bicycle has a serial number stamped into the frame. The serial number can be found on the bottom of the
crank housing as shown (see Figure 1). The model number is found on a sticker on the frame at the bottom of the seat tube.
When contacting Dynacraft, please have these two numbers ready.
Please retain your sales receipt as proof of purchase. Fill out the information below and keep this manual in a safe place.
Brand/Description _______________________________________________________________________________________________
Model # ________________________________________________________________________________________________________
Production Date ________________________________________________________________________________________________
Serial # ________________________________________________________________________________________________________
Date of Purchase _______________________________________________________________________________________________
Store/Place of Purchase _________________________________________________________________________________________
CUSTOMER SERVICE
DYNACRAFT CUSTOMER SERVICE
1.800.551.0032
7AM to 4PM PACIFIC TIME
Dynacraft BSC, Inc.
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A
1

BEFORE YOU RIDEBEFORE YOU RIDE
PARTS/TOOLS LISTS
1. Standard Phillips Head
Screwdriver
2. Adjustable Wrench
3. 4,5,6,8mm Allen Wrenches
4. Pedal wrench or 15mm Open
End Wrench
5. Standard Slip Joint Pliers
6. Standard Flat Head Screwdriver
7
B
1. Frame
2. Brake Lever
3. Handlebar
4. Grip
5. Front Reflector
6. Stem
7. Headset
8. Head Tube
9. Front Brake
10. Brake Pad
11. Fork
12. Tire
13. Tube
14. Reflector
15. Retaining Washer
16. Locknut
17. Pedal
18. Locknut
19. Training Wheel
20. Square Retaining Washer
21. Chain
22. Crankset
23. Chain Guard
24. Seat Clamp
25. Rear Reflector
26. Saddle
4
21
20
9
19
17
14
18
8
23
24 12
3
13
6
10
11
5
7
2
16
15
1
22
25
26
1 2 3 4 5 6
Tools Required

FRAME SIZING
When selecting a new bicycle, the correct choice of frame size is a very important safety consideration. To determine the
correct size bicycle for the rider:
• Straddle the assembled bicycle with feet shoulder width apart and flat on the ground
• There must be at least one inch (2.5cm) of clearance between the highest part of the top tube of the bicycle and the
crotch of the rider with the tires properly inflated.
• The minimum inseam for the rider is the highest part of the top tube of the bicycle plus one inch.
CAUTION: For safe and comfortable riding there
should be a clearance of no less than 1 inch between the
inseam area of the intended rider and the top tube of the
bicycle frame, while the rider straddles the bicycle with both
feet flat on the ground.
WARNING: If the bicycle is too large the rider
cannot reach the pedals easily, or the ground when stopping
which may result in loss of control and/or injury.
8
B

RULES OF THE ROAD/SAFETY TIPS
WARNING: Bikes under 20” are not intended for use on roads.
1. IN THE INTEREST OF SAFER CYCLING, MAKE SURE YOU READ AND UNDERSTAND YOUR OWNER’S MANUAL.
NOTE AND PERFORM PRE-RIDE SAFETY CHECKS.
2. NOTICE: Some state and local laws may require that your bicycle be equipped with a warning device such as a horn or
bell and a light if the bicycle is to be ridden after dark.
3. ALWAYS WEAR SHOES when riding a bicycle and AVOID LOOSE FITTING CLOTHES.
4. CHECK YOUR BRAKES FREQUENTLY. THE ABILITY TO STOP YOUR BICYCLE IS CRITICAL. Roads are slippery when
wet so avoid sharp turns and allow more distance stopping. Caliper brakes may become less efficient when wet. Leaves,
loose gravel, and other debris can also affect stopping.
5. ALWAYS RIDE IN THE SAME DIRECTION AS TRAFFIC. Never ride against traffic.
6. STOP AND LOOK BEFORE YOU LEAVE AN ALLEY, DRIVEWAY, OR PARKING LOT. Stop, look to the left, to the right, and
to the left again for traffic. Ride only when it is clear.
7. KEEP TO THE RIGHT. Follow the traffic flow in a straight line and stay close to the curb. Watch for cars moving in and out
of traffic.
8. OBEY ALL TRAFFIC LAWS REGULATIONS. Most traffic regulations apply to bike riders as well as automobile operators.
9. ALWAYS RIDE ALONE. NEVER CARRY OTHER RIDERS. This is dangerous and makes the bike harder to control. The
bicycles distributed by Dynacraft BSC, Inc. are intended for one rider only.
9
B

10. ALWAYS BE ALERT. BE ALERT - pedestrians have the right of way. BE ALERT - when riding near parked cars - ride far
enough away from the cars so that you won’t get hit if someone opens the car door.
11. USE CAUTION AT ALL INTERSECTIONS AND STOP SIGNS. STOP AND LOOK BOTH WAYS BEFORE PROCEEDING.
12. USE HAND SIGNALS. Communicate by using hand signals to tell other drivers what you are going to do. Signal 100 feet
before turning unless your hand is needed to control the bike (see page 8 for hand signal instructions).
13. PROPER LIGHTS ARE RECOMMENDED IF YOU RIDE AT NIGHT. Be sure to have a strong head-light, a tail light, and a full
set of reflectors. CHECK THAT REFLECTORS ARE CLEAN, STRAIGHT, UNBROKEN, AND SECURELY MOUNTED.
14. NEVER CARRY PACKAGES OR OBJECTS WHICH OBSTRUCT VISION.
15. NEVER HITCH RIDES, never hold onto a moving vehicle while riding.
16. THE KICKSTAND IS DESIGNED TO SUPPORT THE BICYCLE ONLY, not the bicycle and the rider.
17. AVOID THE FOLLOWING HAZARDS: Drain grates, potholes, soft road edges, gravel, sand, wet leaves, and/or any
obstruction in the road. Failure to do so could cause wheel(s) to buckle and result in personal injury to the rider.
18. WET WEATHER RIDING - Riding your bicycle in wet conditions is not recommended. In wet conditions traction and
braking power is reduced. Riding in such conditions could result in personal injury.
19. PROPER HELMET USE. A helmet that meets the CPSC (Consumer Product Safety Commission) standard should always
be worn when riding a bicycle. The helmet should fit properly and be worn on the crown of the head, not tipped back.
20. USE BIKE LANES when available. Also note that in certain states, cars may use bike lanes when turning.
21. RESPECT “Bicycles Are Prohibited” SIGNS. 10
B

NIGHT RIDING
Riding a bicycle at night is much more dangerous than riding during the day. A bicyclist is very difficult for motorists and
pedestrians to see. Therefore, children should never ride at dawn, at dusk or at night. Adults who choose to accept the
greatly increased risk of riding at dawn, at dusk or at night need to take extra care both riding and choosing specialized
equipment which helps reduce that risk. Consult your dealer about night riding safety equipment.
WARNING: Reflectors are not a substitute for required lights. Riding at dawn, at dusk, at night or at other times of poor
visibility without an adequate bicycle lighting system and without reflectors is dangerous and may result in serious injury or death.
WARNING: Do not remove the front or rear reflectors or reflector brackets from your bicycle. They are an integral part of
the bicycle’s safety system. Removing the reflectors reduces your visibility to others using the roadway. Being struck by other vehicles
may result in serious injury or death.
RULES FOR CHILDREN
To avoid an accident, teach children good riding skills with an emphasis on safety from an early age.
1. Always wear a properly fitted helmet.
2. Do not play in driveways or the road.
3. Do not ride on busy streets.
4. Do not ride at night.
5. Obey all traffic laws, especially stop signs and red lights.
6. Be aware of other road vehicles behind and nearby.
7. Before entering a street: Stop, look left, right, and left again for traffic.
8. If riding downhill, be extra careful. Slow down using the brakes and maintain control of steering.
9. Never take your hands off the handlebars, or your feet off the pedals when riding downhill.
CAUTION: The Consumer Product Safety Commission advises that the riding of small wheel diameter
bicycles at excessive speeds can lead to instability and is not recommended.
11
B

SAFETY CHECKLIST
Before every ride, it is important to carry out the following
safety checks: (For information and instructions on
performing specific equipment checks, locate the relevant
section in the manual referenced on pages 3 – 4.
1. BRAKES
• Ensure front and rear brakes work
properly.
• Ensure brake pads are not over worn
and are correctly positioned in relation
to the rims.
• Ensure brake control cables are lubricated, correctly
adjusted, and display no obvious wear.
• Ensure brake control levers are lubricated and tightly
secured to the handlebar.
2. STEERING
• Ensure handlebar and stem are correctly
adjusted and tightened, and allow proper
steering.
• Ensure that the handlebars are set
correctly in relation to the forks and the direction
of travel.
3. CRANKS AND PEDALS
• Ensure pedals are securely tightened to
the cranks.
• Ensure cranks are securely tightened to
the axle and are not bent.
4. WHEELS AND TIRES
• Ensure tires are inflated to within the
maximum recommended limit as
displayed on the tire sidewall.
• Ensure tires have tread and have no
bulges or excessive wear.
• Ensure rims run true and have no obvious wobbles or kinks.
• Ensure all wheel spokes are tight and not broken.
• Check that axle nuts are tight.
5. CHAIN
• Ensure chain is oiled, clean and runs
smoothly.
• Extra care is required in wet or dusty
conditions.
• On bicycles equipped with coaster brakes,
check for proper chain tension.
• Check to make sure your chain guard is tight and not
touching the crank or chain.
7. BEARINGS
• Ensure all bearings are lubricated, run
freely and display no excess movement,
grinding or rattling.
• Check headset, wheel bearings, pedal
bearings and bottom bracket bearings.
8. FRAME AND FORK
• Check that the frame and fork are not bent
or broken.
• If either are bent or broken, they should be
replaced. 12
B

BICYCLE ASSEMBLY
GETTING STARTED
Open the box and check that all parts are present. You can check against the
list on page 6. If any parts are missing or damaged, or if you have any trouble
with the assembly, don’t return to the store. Call 1-800-551-0032
We strongly recommend reading the manual before beginning. If you aren’t
comfortable with the assembly, you should bring your new ride to your local
bike shop to have a qualified mechanic put it together for you. In any event, you
need to read this entire Owner’s Manual before you ride or let anyone else ride. it.
CAUTION: As you assemble the bike, it’s a good idea to place a little white grease
or anti-seize compound on the seatpost, stem and threads of the bolts to prevent rusting.
You’ll see that the frame, handlebars, front wheel, and other components are attached with zip ties. Lift everything out in one
piece, and set it down, with the chain facing upwards. Cut the zip ties, and remove any padding or packaging.
First, align the fork. Rotate it, making sure the fork is pointing in the right direction, with the fork blades facing forward.
1
13
C

1. PEDALS
WARNING: Attachment of an incorrect pedal into a
crank arm will cause irreparable damage. Unless the shoulder of
the pedal spindle is tight to the face of the crank arm, the pedal
may back out causing serious injury or death. Make it tight so the
shoulder is in complete contact with the surface of the crank arm.
Before your first ride, please check to ensure your pedals are
attached correctly.
– There is a right side pedal marked “R” and a left side
pedal marked “L”
– The Right pedal has a RED sticker, the Left pedal has a
GREEN sticker.
– The pedal marked “R” has right hand threads. Tighten it
in a clockwise direction.
– The pedal marked “L” has left hand threads. Tighten it in
a counterclockwise direction. (See Figure 1.)
After putting some white grease on the threads of the pedal,
place the pedal into the crank, and use your fingers to get it started. Threading it
in can be tricky, so make sure to do it correctly. Regardless of which side you’re
working on, the top of the thread will rotate towards the front of the bike to tighten
the pedals. Once you’ve finger tightened the pedals, use a 15mm open-eneded
wrench to snug them down. They are properly tightened when the pedal spindle,
which is the axle that the pedal platform spins around, begins to bite into the
metal on the crank.
Check the crank bolts to make sure they are tightened. Re-check these bolts
after your first ride on the bike.
1
14
C

2. SEAT
WARNING: The seatpost must be inserted far enough so that the minimum
insertion marks cannot be seen.
Add some white grease to the inside of the seat tube, and slide the seatpost
into the bicycle. Make sure that the minimum insertion mark is completely
covered and that the seat is pointing forward in alignment with the bicycle.
CAUTION Operate the quick release lever by hand only. Do not use a hammer
or any other tool to tighten the quick release lever.
WARNING: If the quick release lever is not tightened properly, the seatpost
can loosen while riding. This can cause a loss of control and injury to the rider or others.
If your bike has a quick release lever (see Figure 1), tighten it by holding the
lever in the “open” position and tightening the nut on the opposite side by
hand. Slowly close the quick release lever, and you should notice resistance
when the lever is half way shut. Firmly continue to push the lever until it is in
the “closed” position, and the word “close” is showing. The seat should not be
able to move back and forth with the quick release lever in the closed position.
Make sure the lever is also parallel with the seat clamp itself.
If your bike has a standard seat clamp (see Figure 2), use an adjustable
wrench(es) to tighten the nut securely. The seat should not be able to move back
and forth with the seat clamp tightened.
Minimum insertion marks are
located on the seatpost
Seat tube
Seatpost 1
Open
Closed
2
15
C

3. TESTING SEAT CLAMP AND POST CLAMP TIGHTNESS
After installing the seatpost into the bicycle and tightening either the quick release clamp or
the standard clamp, test the tightness of the saddle. Hold the saddle firmly with both hands
and try to move it side to side. The seatpost should not move at all. The seatpost and saddle
also should not move when the rider is seated.
Make sure the seat clamp nuts at the top of the seatpost are tight so that the seat does not tip
forward or backwards.
4. HANDLEBAR/STEM
WARNING: To prevent steering system damage and possible
loss of control, the stem must be inserted enough so that the minimum
insertion marks are completely covered. (See Figure 1.)
Add some white grease to the inside of the fork steer tube. Remove
the plastic shipping cap from the bottom of the stem (see Figure
2). Insert the stem and handlebar assembly into the fork, making
sure the stem wedge is loose (see Figure 3). Make sure the cables
are not tangled and track smoothly on either side of the stem. The
stem should be pointing towards the front of the bike. Tighten the
stem bolt with an adjustable wrench or Allen wrench depending on
which style comes on your bike (see Figure 4). Make sure the stem
is aligned with the front tire of the bike.
If your bike is equipped with a threadless stem, it will be pre-
installed on the bike. Simply remove the handlebar bolt(s) in order
to attach the handlebars. Make sure to re-tighten the bolts evenly, a
little at a time. For 4 bolt stems, tighten in a cross pattern as shown
in Figure 2 on next page.
21
3 4
Minimum
insertion
mark
Remove
cap
16
C

WARNING: Do not over tighten the stem bolt. Over tightening the stem bolt can
damage the steering system and cause a loss of control.
If necessary re-adjust the handlebar and tighten the handlebar clamp nut.
WARNING: If the handlebar clamp is not tight enough, the handlebar can slip in
the stem. This can cause damage to the handlebar or stem, and can cause loss of control
and serious injury or even death.
The handlebar may not already be installed on your bike from the factory. In that
case you may need to install the handlebars onto the stem itself. Remove the
stem faceplate/top plate by loosening and removing the front bolts (either 2 or
4 depending on which style comes on your bike). Place the handlebar into the
stem with the brake lever(s) facing forward. Make sure the cables are not tangled
and track smoothly on either side of the stem. Place the stem faceplate over the
handlebar, and replace the 2 or 4 bolts to secure the faceplate.
On a 2 bolt stem faceplate alternate tightening the stem bolts making sure the
space between the faceplate and stem is even on both sides. (See Figure 1.)
On a 4 bolt stem faceplate, follow the cross tightening pattern shown, making
sure the bolts are tightened evenly. (See Figure 2.)
5. TESTING HANDLEBAR AND STEM TIGHTNESS
To test the tightness of the stem, straddle the front wheel between your legs tightly
and try to turn the handlebar back and forth. The handlebar should not slip or move
independently of the front wheel at all. If the handlebar does move, re-align the
stem with the front wheel and tighten the stem bolt. Re-test to make sure the stem
is secure with the same process.
To test the tightness of the handlebar, hold the bike stationary and try to move the
ends of the handlebar up and down or forward and back. If the handlebar moves,
loosen the handlebar clamp nut or bolts evenly to re-position and then re-tighten.
Repeat the test until the bars will not move.
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6. FRONT WHEEL
WARNING: It is very important to check the front wheel connection to the
bicycle. Failure to properly tighten may cause the front wheel to dislodge, causing
serious injury or death.
Check the side of your tire to see if there is an arrow indicating direction. If an
arrow is present, it should point forward. If there is no arrow, the wheel can be
installed in either direction.
Loosen or remove the axle nuts and washers from the front wheel. Place the
front wheel into the fork, making sure it is completely seated and even. Place
or slide the wheel retaining washers on the axle (see Figure 1), ensuring that
the tabs on the washers face the fork
and fit into the small holes on the fork.
(See Figure 2.) Tighten the axle nuts
with an adjustable or 15mm open ended
wrench.
WARNING: Put the wheel in the
center of the fork and tighten both nuts.
WARNING: Failure to obey these
steps can allow the front wheel to loosen or
dislodge while riding. This can cause injury
or death to the rider or to others.
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7. BRAKES
WARNING: When assembling or adjusting the brakes, make sure the cable anchor nut is tight.
Failure to securely tighten the nut could result in brake failure and personal injury. (See Figure 1.)
7A. Side Pull Brakes
Loosen the cable anchor nut and pull the brake cable through it. Squeeze the brake arms
together against the rim of the wheel. While still holding the brake arms, pull the cable firmly
through the cable anchor nut and tighten the nut securely. To fine tune your brakes, see the
adjustment section on page 28.
7B. Coaster Brakes
If your bike is equipped with a coaster brake (see Figure 3), it should come pre-assembled on
the bike. You should make sure that the coaster brake arm is secure to the frame by checking
the brake arm clamp screw or bolt. (See Figure 3.)
WARNING: The chain must remain on the sprockets.
If the chain comes off the sprockets, the coaster brake will not operate.
7C. U-Brakes
Loosen the cable anchor nut and pull the brake cable through it. Squeeze the brake
arms together against the rim of the wheel. While still holding the brake arms, pull the
cable firmly through the cable anchor nut and tighten the nut securely. (See Figure 2.)
To fine tune your brakes, see the adjustment section on page 28.
Cable
anchor
nut
Anchor
nut
Brake
cable
Brake
cable
1
3
2
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