User manual BONTRAGER CRANKSET

[. . . ] Madison Street Waterloo, Wisconsin 53594 © Copyright Trek Bicycle Corporation 2004 All rights reserved Introduction Cassette Crank bolt The crankset is part of the drivetrain, the group of parts on the bicycle that transmit power to the rear wheel (Figure 2): · Pedals (and toe-clip assemblies on some models) · Crankset- left and right crank arms, chainring(s), and bottom bracket (the axle and bearings on which the crankset rotates). · Chain · Cassette This section explains how to inspect, adjust, and lubricate your crankset. Chain Crankset Pedal Figure 2- Drivetrain parts Inspect your crankset regularly Once a month check that the chain is clean, free of rust, and properly oiled. All links of the chain should pivot smoothly and without squeaking, and no links of the chain should be deformed. [. . . ] With aluminum chainring bolts apply a drop of Loctite 222 to the threads. 2 INSTALLATION INSTRUCTIONS FOR THE EXPERIENCED MECHANIC These instructions explain the steps to remove an existing crankset and install a new one. The correct installation of your crankset is critical to your safety, so this work should be performed only by an experienced mechanic. If you are not sure of your ability to correctly install this crankset and adjust the parts, have the crank installed by your Bontrager dealer. Check all parts' compatibility before installing The crankset interfaces with the pedals, bottom bracket, chain, and front derailleur with its shifter. Each of these parts must be compatible with the crankset for the systems of a bicycle to function correctly. If you are not sure if this crankset is compatible with your bicycle, consult your dealer. Pedal removal and installation To remove the pedals Note: There are right and left pedals, usually marked with a letter stamped on the end of the pedal axle, or on the wrench flats. Turn the right pedal spindle counter-clockwise to remove the right pedal, the opposite direction of tightening (Figure 3). Turn the left pedal axle clockwise to remove the pedal. To install the pedals 1. Apply a light coat of Wrench Force® synthetic grease or a similar lubricant over all the threads. Follow the instructions for tightening pedals in Inspect your crankset regularly. Crank arm removal and installation The left crank arm is held in place by a crank bolt (Figure 2). To remove a crankarm 1. Continue turning the crank bolt to remove the crank arm. To install a crankarm With a self-extracting bolt, the parts must be correctly assembled Extractor collar (Figure 6). Apply a light coat of Wrench Force® synthetic grease or a similar lubricant over all the threads, and the bottom bracket axle splines. Align the splines of the axle with the crank arm, and slide the arm onto the axle. When installing the crankarm, note the alignment of the opposite crank arm. Tighten as in Inspect your crankset regularly. Figure 6- Self-extractor bolt parts 3 Bottom bracket removal and installation A conventional crankset is comprised of a left crankarm, right crankarm, and bottom bracket. With the Bontrager Road crankset, the right crank arm and bottom bracket are inseparable. To remove a standard bottom bracket 1. Loosen the crankarm bolt on the left crankarm and remove the left crankarm. [. . . ] It may require installing the cranks several times to eliminate all play. Bontrager Warranty Trek Bicycle Corporation warrants each new Bontrager component against defects in workmanship and materials for the a period of one year from the date of sale. This warranty does not cover· · · · 4 Normal wear and tear Improper assembly Improper follow-up maintenance Installation of parts or accessories not originally intended for, or compatible with, the wheels as sold · Damage or failure due to accident, misuse, abuse, or neglect · Labor charges for part replacement or changeover This warranty is void in its entirety by any modification of the component or its parts. 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. [. . . ]