2023 e*thirteen Chainguide for Bosch Gen 4 Drive Units

Provides confident and consistent pedaling over rough terrain.<br /> - Two-bolt nylon backplate mounts directly to Bosch motor<br /> - 34-38 tooth compatibility<br /> - Does not fit traditional ISCG mounts<br /> - Designed for Trek 2020-2021 and select 2022 Rail & Powerfly models<br /> - Included hardware is available separately to convert to 55mm chainlines (See Service Parts)