User manual TREK BIKES BICYCLE

[. . . ] ABOUT THIS MANUAL This manual explains how to ride your new bike safely, and how to maintain your bicycle to keep it operating safely. Every person, prior to riding this bicycle, should read at least Chapter 1 of this manual. Parents should explain Chapter 1 to a child, or anyone else, who is otherwise not able to understand this information. Even if you have ridden a bicycle for years, it is important for EVERY person to read Chapter 1 before you ride your new bicycle! Chapter 1 covers safety and bicycle care. Understanding and following this information will help you and your Trek bicycle avoid injury and damage. [. . . ] Crimp on a metal end-cap to prevent fraying of the cable end, or apply some solder to the end of the cable. Lubrication Every month, lubricate all pivot points on both the front and rear derailleurs, including the derailleur pulleys on the rear derailleur, with Wrench Force® synthetic chain lube or similar lubrication. Whenever a cable is replaced, lubricate the cable, where it passes through the housing, with a light grease. CHAPTER THREE Inspection, Adjustment & Lubrication 39 INTERNAL SHIFT SYSTEMS Introduction Some Fisher bicycles are equipped with an internal shift system, where gear changes are made inside the rear hub. Determine which of the four types of internal shift systems is on your bike and read the information for that system covered on the following pages: · Shimano Nexus 8 speed has 8 gear position indicated on the shifter · Shimano 3 speed has 3 gear position indicated on the shifter · SRAM DualDrive 2 x 7 speed mixes an internal shift system with a rear derailleur Nexus 4 or 8 speed systems Pulley Cog joint bracket The internal shift system consists of those parts of the bicycle which allow you to shift gears including the shifter, rear hub, and shift cable. The shifting mechanism is enclosed, keeping the shifting system lubricated for low maintenance. These instructions explain how to inspect, adjust, and lubricate an internal shift system. Inspection Shift cable clamp bolt Figure 3. 5. 1 Pulley and cog joint bracket Cable end cover Shift cable barrel adjuster Figure 3. 5. 2 Nexus shifter A properly adjusted shift system is quiet. If an unusual noise follows any shift, or while pedaling, your shift cable may need to be adjusted. If after adjustment the noise persists or grows louder, stop the bicycle and try to locate the noise. If necessary, ask your Trek dealer to identify and correct any problems. For more information about your shift system consult your Trek dealer. Once a month, make sure the hub gears are properly adjusted: · On a Nexus 7 speed, or Nexus 4 speed, system with the shifter in 4th gear, the red lines on the pulley and the cog joint bracket (Figure 3. 5. 1) should line up. Once a month, check the shift cable for kinks, rust, broken strands, or frayed ends. If you suspect a problem with your 40 Internal Shift Systems shift cable, do not ride your bicycle. Replace the cable and/or housing before riding your bicycle by following these instructions, or take your bike to your Trek dealer for service. Adjustment To adjust the rear shifting 1. Align the indicator on the rear hub pulley with the cog joint bracket (Figure 3. 5. 1) 3. If the red lines do not line up, adjust the gear cable tension by rotating the barrel adjuster (Figure 3. 5. 2) until this alignment is achieved. Shift to 1st gear, then back to 4th, and re-check the adjustment. To replace the shift cable Loosen the cable fixing bolt. Install a new cable in the shifter, housing, and cable guides, following the old path. Crimp on a metal end-cap to prevent fraying of the cable end, or apply some solder to the end of the cable. This procedure takes special tools and training, so should be done by your Trek dealer. Whenever a cable is replaced, lubricate the cable with Wrench Force® synthetic chain lube or a similar lubricant. CHAPTER THREE Inspection, Adjustment & Lubrication 41 3 speed shift system Set screw The internal shift system consists of those parts of the bicycle which allow you to shift gears including the shifter, rear hub, and shift cable. The shifting mechanism is enclosed, keeping the shifting system lubricated for low maintenance. These instructions explain how to inspect, adjust, and lubricate an internal shift system. Inspection A properly adjusted shift system is quiet. [. . . ] Also remember that although you have your lights on, you will be less visible than during daytime riding. In addition to aiming the lights on your bike and keeping the lenses clean for maximum illumination, you may have to replace the light bulbs occasionally. It is recommended that you do this every six months because no warning will precede the burning out of a light bulb. By replacing the bulbs periodically you will reduce the risk of a bulb burning out during use of the light which would leave you without a functioning light. [. . . ]