MOUNTAIN BIKE 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. DO NOT return this item to the store. Questions or comments? 1-800-551-0032 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.
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.
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. Correct fitting Make sure your helmet covers your forehead. Incorrect fitting Forehead is exposed and vulnerable to serious injury.
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.
CONTENTS A ABOUT YOUR BIKE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Model/Serial Number Identification . . . . . . . . . . . . . . . . . . . 7 Customer Service . . . . . . . . . . . . . . . . . . . . . . . . . 7 Spaces to Write Info . . . . . . . . . . . . . . . . . . . . . . . . . 7 B BEFORE YOU RIDE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
D BICYCLE ADJUSTMENTS. . . . . . . . . . . . . . . . . . . . . . . . . . 33 Seat Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . Stem Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . Handlebar Adjustment . . . . . . . . . . . . . . . . . . . . . . . Brake Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . Shifter Adjustment . . . . . . . . .
ABOUT YOUR BIKE A 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 diagram below). The model number and production date are found on a sticker on the frame at the bottom of the seat tube. When contacting Dynacraft, please have these two numbers ready. Model # CUSTOMER SERVICE DYNACRAFT CUSTOMER SERVICE 1.800.551.
B X PARTS/TOOLS LISTS 1. Frame 2. Brake Lever (L and R) 3. Handlebar 4. Grip (L and R) 5. Front Reflector 6. Stem 7. Head Tube 8. Front Brake 9. Brake Pad (x4) 10. Fork 11. Tire (x2) 12. Tube (x2) 13. Locking Washer (x2) 14. Wheel Reflector (x2) 15. Locknut (x4) 16. Headset 17. Front Derailleur 18. Crankset 19. Rear Derailleur 20. Rear Cassette 21. Pedal (L and R) 22. Seat Clamp 23. Rear Reflector 24. Saddle 25. Seat Post 26. Rear Brake 27. Derailleur Guard 28.
B 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.
RULES OF THE ROAD/SAFETY TIPS B NOTE: Like any sport, bicycling involves risk of injury and damage. By choosing to ride a bicycle, you assume the responsibility for that risk; not the people who sold you the bike; nor the people who made it; nor the people who distribute it; nor the people who manage or maintain the roads and trails you ride on. YOU. So you need to know – and to practice – the rules of safe and responsible riding. 1.
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. 13.
NIGHT RIDING B 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, dusk or at night. Adults who choose to accept the greatly increased risk of riding at dawn, 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.
B X 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 5–6.) 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 properly lubricated, correctly adjusted, and display no obvious wear.
B X 5. WHEELS AND TIRES • Ensure tires are inflated to within the recommended range 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. • Do not over inflate. 6. CHAIN • Ensure chain is oiled, clean and runs smoothly. • Extra care is required in wet or dusty conditions.
C BICYCLE ASSEMBLY GETTING STARTED Open the box and check that all parts are present. You can check against the list on page 9. If any parts are missing or damaged, or if you have any trouble with the assembly, don’t return the item to the store. Call Dynacraft directly at 1-800-551-0032 or visit our website at www.dynacraftbike.com, find your bike, and locate the assembly video in the Information Center. (Disclaimer: Assembly video not available for all products).
1. PEDALS C 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.
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 (see Figures 6 and 7). CAUTION: Figure 6 Seatpost Seat tube Operate the quick release lever by hand only.
C If your bike has a quick release lever (see Figure 9), 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, up and down, or side to side with the quick release lever in the closed position.
C 4. HANDLEBAR/STEM Minimum insertion mark 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 14). Add some white grease to the inside of the fork steerer tube. Before installing the stem, ensure that you have all the parts present and installed in the correct order (see Figure 17).
Pre-Load Bolt The stem should be pointing towards the front of the bike, aligned with the front tire (see Figure 18). Depending on the type of bolt, tighten the stem bolt with either (B) an adjustable wrench or (C) a 4, 5, or 6 mm Allen wrench (see Figure 19). Top Cap Stem Figure 18 If your bicycle comes with a threadless stem (see Figure 20), we must first remove the headset in order to install. Use (C) a 4, 5, or 6 mm Allen wrench to remove the preload bolt, cap and cardboard spacer from the headset.
C The handlebars should come attached to the stem. Simply ensure that the brake and derailleur cables track smoothly, and that the handlebar bolt(s) are properly tightened with (C) a 4, 5, or 6 mm Allen Wrench. (See Figures 23-25). In the case of a 2 or 4-bolt stem, tighten the bolts alternating between bolts every few turns. We will adjust the position and rotation of the handlebars, brake levers, and shifters later on (see page 35).
C 5. TESTING HANDLEBAR AND STEM TIGHTNESS To test the tightness of the stem, straddle the front wheel between your legs tightly (see Figures 26 & 27). 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.
C 6. FRONT WHEEL Before installing the front wheel, ensure that the brakes are opened enough to allow the tire to fit through them. On side-pull equipped bikes, you may have to loosen the cable anchor bolt (see Figure 31) in order to allow the tire to fit through. On Linear Brake equipped bikes, squeeze the brake arms together by hand, and lift the cable out of the carrier to open up the brakes (see Figure 33).
C 7. BRAKES Cable Anchor Bolt 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 31). Brake arm Brake pad 7A. Side Pull Brakes After installing the front wheel, loosen the cable anchor nut and pull the brake cable through it. Squeeze the brake arms together against the rim of the wheel.
C 7C. Disc Brakes When installed properly, the disc brake rotor should be centered between the brake pads, and securely fastened to the wheel (see Figure 34). Use (C) a 4, 5, or 6 mm Allen Wrench to check the rotor mounting bolts to ensure that none of the bolts are loose. To tighten the brake cable, loosen the cable anchor bolt, pull the cable taught, and re-tighten the bolt (see Figure 35). Ensure that the mounting bolts on Disc Brake are evenly tightened (see Figure 35).
C 8. TESTING BRAKE FUNCTIONS As part of the initial assembly, you will need to check test the brake function and adjust the brakes as necessary to make sure they are functioning properly. For detailed instructions on brake adjustments, please see pages 35–37. To test the function of the front hand brake, lift the front of the bike and spin the wheel. The wheel should not rub on the brake pads. Next, squeeze the brake lever and take note of the brake pads contacting the side of the wheel.
C 9. DUAL SUSPENSION Dual suspension bikes are equipped with a front fork as well as a rear suspension generally located below the seat (see Figure 38). The rear suspension unit is a combination of a piston that works in conjunction with a spring to allow the rear swing arm to rotate on a pivot point. Ensure all attaching hardware is secured and there is no lateral movement of the rear triangle (see Figure 39). The amount of Rear Suspension travel can be adjusted by turning the adjusting plate.
C 10. TIRE INFLATION WARNING: Tires must be properly inflated before riding. Never exceed the maximum pressure (PSI) that is listed on the side of the tire. WARNING: Figure 42 Incorrectly seated Properly seated Be sure to check that the edge (beads) of both tires are evenly seated the entire way around on both sides of the tire. Failure to do so may result in the tire coming off of the rim, the tube popping (see Figure 43), and a loss of control of the bicycle, causing injury or even death.
C 11. REFLECTORS Reflectors are pre-installed on your bicycle on the pedals, wheels, seatpost, and handlebars (see Figure 46). Ensure that the handlebar reflector is pointing straight forward and perpendicular to ground, and position the rear reflector so that it points straight backwards. Use (A) Phillips head screwdriver to loosen and adjust before retightening (see Figures 47 & 48).
C 12. ACCESSORIES Your bike may come with some or all of these accessories that require attachment and/or assembly. 12A. Kick Stands If the kickstand is not mounted to your bicycle, place the bicycle in an upright position against a wall or have someone hold it upright. Place the kickstand in the bracket mounted on the frame and use a pair of (E) Standard Slip Joint Pliers to secure the fixing bolt to keep the kickstand in place. Be sure to tighten the fixing bolt securely.
BICYCLE ADJUSTMENTS D X SEAT ADJUSTMENT You can adjust the up and down tilt of your seat as well as the forward and back position by loosening the seatpost hardware at the bottom of your seat. (See Figure 51.) Be careful not to loosen them all the way so that the nut comes off on either side. Loosen enough to make the adjustments, and re-tighten the nuts.
D X STEM ADJUSTMENT To raise or lower your stem, use an adjustable wrench or Allen wrench on the stem bolt to loosen the stem (see Figure 56). Do not remove this bolt completely, as the stem wedge may fall inside your frame. Make sure the stem is inserted enough so that the minimum insertion marks on your stem are completely covered (see Figure 57).
HANDLEBAR ADJUSTMENT D X To adjust the handlebars forward and backwards, loosen the stem bolt or bolts. Your bike may have one (see Figure 59), two (see Figure 60), or four (see Figure 61) bolts holding the handlebar in place. Do not completely remove these bolts, simply loosen them until you are able to move the handlebar to the desired position. Once complete, tighten the bolt(s). If your stem has multiple bolts, be sure to tighten them evenly (alternating each bolt a few turns at a time).
D X BRAKE ADJUSTMENT WARNING: Always make sure your brakes are properly adjusted before riding (see Page 27, Testing Brake Functions). Brake Pads • Ensure that the wheel is properly centered within the dropouts and is not out of true (see Figure 63). • Using (C) a 4, 5, or 6 mm Allen wrench adjust the brake pad bolts so the brake pads are in line with the the curve of the wheel, striking the upper edge of the braking surface, but not the tire. Tighten the brake pad bolts once they are positioned correctly.
Cable Carrier Linear Pull Brakes Brake Cable D X Cable Anchor Nut • Once the brake pads are properly positioned, loosen the cable anchor nut on the Brake Arm (See Figure 65). Firmly squeeze the brake pads against the rim of the tire, pull the cable taut, and re tighten the cable anchor nut using either (C) a 4, 5, or 6 mm Allen Wrench or a pair of (E) Standard Slip Joint Pliers.
D X SHIFTER ADJUSTMENT WARNING: Do not ride a bicycle that is not shifting properly. Overlooking proper adjustments may cause irreparable damage to the bicycle and/or bodily injury. Never move the shifter while pedaling backward, nor pedal backwards after having moved the shifter. This could jam the chain and cause serious damage to the bicycle and/or rider. NOTE: If you don’t have a bicycle repair stand, it helps to have Figure 70 someone assist you with the adjustment.
DERAILLEUR ADJUSTMENT With the chain in the middle cog on the crankset (#2 on the left shifter), lift the rear wheel off the ground and pedal slowly. While continuing to pedal, shift the right (rear) shifter through the rings. It should shift smoothly, and stay in gear without jumping between gears or excessive noise. If the chain seems to be caught in between gears, you can adjust the cable by loosening or tightening the barrel adjuster on the rear derailleur (see Figure 73).
E MAINTENANCE AND INSPECTION WARNING: Inspect the bicycle frequently. Failure to inspect the bicycle and to make repairs or adjustments, as necessary, can result in injury to the rider or to others. Make sure all parts are correctly assembled and adjusted as written in this manual. • Immediately replace any damaged, missing, or badly worn parts. • Make sure all fasteners are correctly tightened as written in this manual. Parts that are not tight enough can be lost or operate poorly.
E WARNING: Do not attempt chain repairs. If there is a problem with the chain, have a bicycle service shop make any repairs. The chain must be at the correct tightness. If too tight, the bicycle will be difficult to pedal. If too loose, the chain can come off the sprockets. When the chain is at the correct tightness, you can rotate the crank freely and you can pull it no more than one-half inch away from a straightedge as shown (see Figure 74).
E LUBRICATION Frequency Weekly Every Six Months Yearly Component Lubricant How to Lubricate Chain Chain lube or light oil Brush on or squirt Derailleur Wheels Chain lube or light oil Oil can Derailleurs Oil 3 drops from oil can Brake Calipers Oil 2 drops from oil can Freewheel Oil 2 squirts from oil can Brake Cables Lithium based grease Disassemble Bottom Bracket Lithium based grease Disassemble Headset Lithium based grease Disassemble Hubs (front and rear) Lithium based greas
E BEARING INSPECTION • Maintenance Frequently check the bearings of the bicycle. Have a bicycle shop clean and re-grease the bearings once a year or any time they do not pass the following tests: • Header Bearings The fork should turn freely and smoothly at all times. With the front wheel off the ground, you should not be able to move the fork up, down, or side-to-side in the head tube.
F LIMITED WARRANTY Although your new Dynacraft bicycle is built tough, it is designed for recreational use only, not commercial use or extreme riding. Subject to the following limitations, all bicycles manufactured for Dynacraft are warranted to the original purchaser to be free of defects in materials and workmanship for a period from the date of purchase until: Lifetime for the Bicycle Frame and Fork, and Two Years On All Other Bicycle Component Parts. No other express or implied warranty given.
Dynacraft Customer Service 1-800-551-0032 7AM to 4PM Pacific Standard Time DO NOT return this item to the store. STOP Please call Dynacraft for assistance. Please have the following information available when you call: Model Number: (sample: 8802-33) Production Date: (sample: 03.03.2015) Serial Number: (sample: DA0233HD00001) Having this information will be required and helps us handle your call more effectively. Dynacraft BSC, Inc. 89 S. Kelly Rd.
