User manual BONTRAGER FORK

[. . . ] 2 Check the fork for fatigue or impact damage . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Safety requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Fork maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Installation instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] High force loads include crashes, but you don't have to crash to put a high force load on your bike. For example, hitting a large hole in the road or a sharp bump such as a railroad track can put large forces on your bike. The manner in which you ride will determine whether your bike and its parts will last. If you ride hard or aggressively, you should replace the bike and/or its parts more often than riders who ride smoothly or cautiously. When evaluating your use of the fork, there are many variables: weight, speed, technique, terrain, maintenance, riding environment (humidity, salinity, temperature, etc. ), and the frame or part itself--so it is impossible to give a precise timetable for replacement. But as a rule, it is better to err on the safe side and replace the bike or parts more frequently. If you aren't sure, ask your dealer. Carbon fiber composite inspection procedures Carbon fiber is among the strongest materials used in bicycle manufacture. However, carbon fiber has unique qualities, different from metal parts, and must be inspected carefully for damage. inspecting carbon fiber parts Unlike metal parts, carbon fiber parts that have been damaged may not bend, bulge, or deform; a damaged part may appear to be normal to a cursory glance. Use the following procedures to inspect carbon fiber parts: · Check for scratches, gouges, or other surface problems. · Listen for unusual creaking or clicking noises. These tests may not be conclusive. The tests are difficult to describe, so as an aid to describing the tests we provide a movie of inspecting a carbon fiber part in the owner's manual section of the Bontrager web site. If you have any doubts about the integrity of a part, do not ride the bicycle. 3 saFety requireMents use a front brake WARNING!Failure to follow the following requirements may result in failure of the fork resulting in serious personal injury or death. For some models, the brake bolt goes through both the carbon fork crown and the aluminum steerer. In the event of a frontal impact, the brake bolt functions as a key part of the impact absorption function; do not ride without a brake bolt through the fork crown and make sure the brake bolt is properly tightened. The maximum torque for the brake bolt is 70-85 lb·in (7. 9-9. 6 N·m). use a proper stem design and installation The stem has several design requirements, which if not fulfilled, could damage the fork and cause it to break: A · Do not use a stem with a wedge-type steerer clamp (Figure 1), except for a Bontrager King Earl stem, which has a special design that will not damage forks. Improper clamp design can deform the steerer, adding to fatigue stress. · Always use at least two spacers between the B stem and headset. If the stem sits directly against the headset, any fatigue stress will be concentrated in a small area, which may damage the steerer. Figure - Stem clamp de· Never use more than 40mm of spacers signs under the stem. Additional spacers create A: pinch clamp more stress on the steerer, which could B: wedge clamp cause the steerer to fail. · Do not overtighten the stem clamp; follow the stem manufacturer's recommendations. Overtightening can deform the steerer, adding to fatigue stress which may damage the steerer. use a proper headset configuration Make sure the headset is the correct size and that the lower crown race has a generous radius to the lower edge where it contacts the fork (Figure 2). A crown race where the lower, inside edge of the crown race is sharp and more square may not seat correctly against the fork crown, or may require excessive force to install. [. . . ] This warranty is expressly limited to the repair or replacement of a defective item and is the sole remedy of the warranty. This warranty extends from the date of purchase, applies only to the original owner, and is not transferable. Some states do not allow the exclusion of incidental or consequential damages, so the above exclusion may not apply to you. Claims under this warranty must be made through an authorized Bontrager dealer. [. . . ]