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KENT BMX Assembly

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BMX & FREESTYLE BIKE ASSEMBLY

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Summary of Contents for KENT BMX

  • Page 1 BMX & FREESTYLE BIKE ASSEMBLY...
  • Page 2 FOR SERVICE CALL TOLL FREE 1.800.451.5368 Monday - Friday 9:00 a.m. to 4:00 p.m. Eastern Standard Time years of enjoyment. Carefully read and follow this manual (and any others included with this bike) before riding your bike. Please retain this manual for future use. This manual is provided to assist you and is not intended to be a comprehensive manual covering all aspects of maintaining and repairing your bicycle.
  • Page 3 RESPONSIBILITY OF THE OWNER! Reading and following the information and instructions in this manual are essential to your ability to ride safely. 1. It is the responsibility of the owner or in the case of a younger rider the parents of the rider to be certain all assembly instructions are followed even if the bike has been assembled by the seller or a professional assembly company.
  • Page 4 OWNER’S RESPONSIBILITY continued NOTE. Carefully read this manual and follow instructions. Your bicycle may come with additional instruction sheets that cover features unique to your bike. Please ensure that you read and become familiar with their contents. Always wear a CPSC approved helmet when riding your bike.
  • Page 5 Parts Identification Graphics ........5-6 Before Riding ............7-10 Assembly Instructions ..........11-27 Maintenance ............28-40 Warranty ..............41 WARNING / CAUTION...
  • Page 7 FREESTYLE PARTS IDENTIFICATION...

  • Page 8: Rules Of The Road

    RULES OF THE ROAD In the interest of safe cycling, make sure you read and understand the owner’s manual. Throughout this manual you will find WARNING, CAUTIONS, and NOTES or NOTICES. WARNINGS: Pay special attention to these since failure to do so could result in injury to the rider or others. CAUTIONS: If not followed these could result in mechanical failure or damage.
  • Page 9 RULES OF THE ROAD continued 7. Obey all traffic regulations. Most traffic regulations apply to bike riders as well as automobile operators. Observe all state and local traffic regulations, signs and signals. Check with your local police station on bicycle licensing and inspection, and where it is legal to ride your bike. 8.

  • Page 10: Before Riding

    BEFORE RIDING: Your new bicycle was assembled and tuned in the factory and then partially disassembled for shipping. The following instructions will enable you to prepare your bicycle for years of enjoyable cycling. For more details on inspection, lubrication, maintenance and adjustment of any area please refer to the relevant sections in this manual.

  • Page 11: Riding Position

    THERE SHOULD BE A CLEARANCE OF NO LESS THAN 1-2 INCHES BETWEEN THE GROIN AREA OF THE INTENDED RIDER AND THE TOP TUBE OF THE BICYCLE, WHILE THE RIDER STRADDLES THE BICYCLE WITH BOTH FEET FLAT ON THE GROUND. THE SEATPOST “MINIMUM INSERTION” / “MAXIMUM HEIGHT”...

  • Page 12: Assembling Your Bike

    ASSEMBLING YOUR BIKE PREPARATION It is important that you read this owner’s manual before you start to assemble your bicycle. WE RECOMMEND THAT YOU CONSULT A PROFESSIONAL BICYCLE MECHANIC IF YOU HAVE DOUBTS OR CONCERNS AS TO YOUR ABILITY TO PROPERLY ASSEMBLE, REPAIR, OR MANITAIN YOUR BICYCLE.
  • Page 13 KICKSTAND If your bike is equipped with a kickstand, please follow the instructions below. 1. Place the bicycle in an upright position. 2. Remove the top plate from the kickstand. 3. From the left side of the bicycle (opposite side from chainring), place the kickstand in position beneath the two rear fork legs.

  • Page 14: Pedal Installation

    PEDAL INSTALLATION 1. Apply a small amount of grease to the threads of each pedal. look for the letter “L” or “R” on the side or end of each pedal spindle (picture). Turning the spindle clockwise by hand (Picture), thread the pedal marked “R”...
  • Page 15 1. Loosen the seat clamp nuts. 2. Insert the top portion of the seat post into the seat clamp. Be sure the seat post is completely inserted into the seat clamp and butted tightly against the underside of the seat. 3.
  • Page 16 SEAT & QUICK RELEASE SEAT POST ASSEMBLY 1. Loosen the seat clamp nuts. 2. Insert the top portion of the seat post into the seat clamp. Be sure the seat post is completely inserted into the seat clamp and butted tightly against the underside of the seat.

  • Page 17: Handlebar Stem

    HANDLEBAR STEM NOTE: the handlebar stem has been pre-assembled to the handlebar at the factory. 1. Remove the packing material and rotate the handlebar into an upright position. Slightly loosen the clamp bolts to allow the handlebar to rotate easily. After you have acheived a comfortable handlebar position, proceed to tighten the clamp bolts to the required torque.

  • Page 18: Hand Brakes

    HAND BRAKES Brake Lever Nipple Ferrule Determine which type of brake your bike is equipped with and refer to the appropriate assembly instructions. If your bike comes equipped with a foot brake ONLY, no brake adjustment is required. For more information on brake adjustment and maintenance, refer to the maintenance section of this manual.
  • Page 19 U-BRAKES Begin by adjusting the pads of the U-brakes using a 10mm wrench. Make sure the pad is hitting the rim and not the tire. Ideally the front of the pad should hit the rim approximately 1mm before the rear pad. Front U-Brake: Slide the brake cable and housing through the Housing Barrel and through the cable anchor bolt.
  • Page 20 When the desired tension is achieved, hold the tension nut with the 13mm wrench and tighten the 5mm hex bolt. The tension on each side should be equal so that the brake arms move the same distance when the brake is activated. PLEASE NOTE: that some BMX frames have the U-Brake flipped and mounted below the seatstays.
  • Page 21 CABLE DETANGLER Refer to the illustration on page 22. Some freestyle bicycles come equipped with a detangler system that will allow the handlebar to spin 360-degrees without binding the cables. CAUTION: It is very important that this system is adjusted correctly. Installation should only be done by a qualified bicycle mechanic with the correct tools.
  • Page 22 4. Screw the lower cable adjusting barrel into (or out of) the lower plate until they are as close to the bearing as they can get without touching it. 5. Screw the cable adjuster on the upper cable splitter out until all slack is removed from the upper cable. Then screw the cable adjuster out one more turn to raise the bearing an additional 1mm away from the lower cable adjusting barrels.
  • Page 23 CABLE DETANGLER Single Cable Casing Cable Adjuster Cable Splitter Upper Cable Cable End (long casing) Upper Cable (short casing) Adjusting Barrel Locknut Upper Plate Set for Max. Travel Keyed Washer 37mm + or - 1mm Bearing Minimum 1mm (1/32”) Football Ends Lower Plate Locknut Adjusting Barrel...

  • Page 24: Axle Peg Assembly

    AXLE PEG ASSEMBLY If your bike has front or rear pegs, please follow the instructions below. 1. Confirm that the axle nut is tightened securely on the axle. 2. Attach the peg to the axle by turning clockwise. A screw driver can be placed through the mounting holes to help in turning peg onto the axle.

  • Page 25: Tires And Tubes

    Tires and Tubes After assembling your bike, it will be necessary to inflate the tires. Check the sidewall of the tire for the correct tire pressure (PSI) and inflate tires accordingly with a MANUAL BICYCLE PUMP. Improper inflation is the biggest cause of tire failure. Due to the slightly porous nature of bicycle inner tubes, it is normal for your bike tires to lose pressure over time.
  • Page 26 REFLECTORS Your bike is supplied with one front (white), one rear (red), two wheel (white) reflectors and four pedal (orange) reflectors. These are an important safety and legal requirement, and should remain securely fitted and in good condition at all times. Periodically, inspect all reflectors, brackets and mounting hardware for signs of wear or damage.
  • Page 27 FRONT REFLECTOR MOUNT WITH CALIPER BRAKE ASSEMBLY First remove the hex nut from the back of the fork and pull the brake from the fork. insert a spacer, washer and reflector bracket on to the caliper bolt. Insert the caliper bolt back into the fork and secure firmly with a concave spacer, washer and hex nut.
  • Page 28 REAR REFLECTOR MOUNT ON SEAT POST First attach the reflector to the bracket with the reflector screw, see the top diagram. Next, remove the clamp screw and open the clamping reflector bracket. place clamping reflector bracket around the seat post. If the clamp is too loose, insert the shim inside the clamp.
  • Page 29 MAINTENANCE & REPAIR Correct routine maintenance of your new bike will ensure a longer life for your bike and a safer ride for you. Every time you ride your bike, its condition changes. The more you ride, the more frequently maintenance will be required. We recommend you spend a little time on regular maintenance tasks.
  • Page 30 Schedule 2 - Service Checklist NOTE: Many instructions for adjustments can be found in the assembly portion of this manual. Frequency Task Before every ride Check wheel and pedal tightness Check tire pressure Check brake operation Check wheels for loose spokes Make sure all fasteners are tightened securely After every ride Quick wipe down with damp cloth...

  • Page 31: Travel Tools

    Tools Required for Maintenance 1. Open ended wrench or ring wrenches: 8mm, 9mm, 10mm, 12mm, 13mm, 14mm, 15mm 2. Open end or pedal wrench 15mm 3. Allen key wrenches: 4mm, 5mm, 6mm, 8mm 4. Adjustable wrench 5. Standard flat head screwdriver 6.

  • Page 32: Wheels And Tires

    WHEELS AND TIRES Wheel Inspection It is most important that wheels are kept in top condition. Properly maintaining your bicycle's wheels will help braking performance and stability when riding. Be aware of the following potential problems: • Dirty or greasy rims: Caution: These can render your brakes ineffective.

  • Page 33: Tire Inspection

    Tire Inspection Tires must be maintained properly to ensure road holding and stability. Check the following areas: Inflation: Ensure tires are inflated to the pressure indicated on the sidewall of the tire. Improper inflation is the biggest cause of tire failure. Due to the slightly porous nature of bicycle inner tubes, it is normal for your tires to lose pressure over time.
  • Page 34 HOW TO FIX A FLAT TIRE If you need to repair a tire, follow these steps: 1. Remove the wheel from the bicycle. 2. Deflate the tire completely via the valve. Loosen the tire bead by pushing it inward all the way around. 3.

  • Page 35: Hub Bearing Adjustment

    HUB BEARING ADJUSTMENT Ball Bearings When checked, the hub bearings of either wheel will require adjustment if there is any more than slight side play. Bearing Cone 1. Check to make sure neither locknut is loose. Hub Body 2. To adjust, remove wheel from bicycle and loosen the locknut on one side of the hub while holding the bearing cone on the same side with bicycle cone wrench or flat, thin open end wrench.
  • Page 36 LUBRICATION Cable Adjusting Barrel The brake lever and brake caliper pivot points should be oiled with 2-3 drops of light oil at least every three months to ensure smooth operation and to Lock nut reduce wear. Cables should be greased along their entire length, after removing them from their casings, at least every six months.
  • Page 37 PEDALS Pedals are available in a variety of shapes, sizes and materials, and each are designed with a particular purpose in mind. Some pedals can be fitted with toe clips and straps. These help to keep the feet correctly positioned and allow the rider to exert pulling force, as well as downward pressure, on the pedals.
  • Page 38 CHAIN Inspection: The chain must be kept clean, rust free and frequently lubricated in order to extend its life as long as possible. It will require replacement if it stretches, breaks, or causes inefficient gear shifting. Make sure that there are no stiff links, they must all move freely.
  • Page 39 Problem Possible Cause Remedy Gear shifts not working properly - Derailleur cables - Lubricate/tighten/replace cables sticking/stretched/damaged - Front or rear derailleur not adjusted - Adjust derailleurs properly - Indexed shifting not adjusted properly - Adjust indexing Slipping chain - Excessively worn/chipped chainring - Replace chainring, sprockets and or freewheel sprocket teeth chain...
  • Page 40 Problem Possible Cause Remedy Freewheel does not rotate - Freewheel internal pawl pins are - Lubricate. If problem persists, jammed replace freewheel Brakes not working effectively - Brake blocks worn down - Replace brake blocks - Brake blocks/rim greasy, wet or dirty - Clean blocks and rim - Brake cables are binding/stretched/damaged...
  • Page 41 Problem Possible Cause Remedy Steering not accurate - Wheels not aligned in frame - Align wheels correctly - Headset loose or binding - Adjust/tighten headset - Front forks or frame bent - Take bike to a bike shop for possible - Stem wedge bolt not tight frame realignment Frequent punctures...
  • Page 42 The frame is warranted for the usable life of the bicycle. Kent International will replace the frame at no charge, should it fail in any weld point when the cycle has been used in a normal manner, and determined by our inspection. Kent will also replace the bicycle fork if it should fail at any weld point.

This manual is also suitable for:

Freestyle bike

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