Genuine replacement parts
The e*thirteen chain guide developed with Bosch helps keep the chain locked on the chainring of Gen4 motors when pedaling over rough terrain.
An important part of the bike as the Gen4 motors accept more traditional size chainrings compared to Gen2 motors.
Detaljer om produktet
- Two-bolt nylon backplate mounts directly to Bosch motor
- 34-38 tooth compatibility
- Does not fit traditional ISCG mounts
- Designed for Trek 2020-2023 Rail & Powerfly models
- Included hardware is available separately for older models (See Service Parts)

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