E*THIRTEEN CHAINGUIDE FOR 55mm CHAINLINE BOSCH over-2500 Pedal system: Look KÉO®

Pedal system: Look KÉO®

whose tests use a smaller mass headform more realistic to younger riders

Cushioned rubber jaws on clamp

perfect for boosting your gear range and flying up those hills

E*THIRTEEN CHAINGUIDE FOR 55mm CHAINLINE BOSCH over-2500 Pedal system: Look KÉO®Genuine replacement parts. The e*thirteen chain guide developed with Bosch helps keep the chain locked on the chainring when pedalling over rough terrain. Included spacers now allow for 52 or 55mm of chainlines. Features e*Thirteen e*Spec Chainguide for 55mm Chainline for Bosch 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