Trek Bosch Gen 3 Alloy Chainguard One size Black Default:Default Provides 160 degrees of visibility

Provides 160 degrees of visibility

The dynamo hub adds functionality for riders who require extra lighting or electronics during their commute

it ensures smooth shifting and optimal performance on any terrain

Available in convenient sizes

Closure: Dial

Trek Bosch Gen 3 Alloy Chainguard One size Black Default:Default Provides 160 degrees of visibilityChainguard Trek Bosch Gen 3 Alloy Powdercoat Black Genuine replacement parts For a clean appearance. Genuine Trek replacement chainguard. Key Features For use with Bosch Gen3 With Bracket Specifications Part Number 557507 Color Black Size One size Model Year 2023 Material Components Aluminum