Trek 3S Chainkeeper One size Black

Wheel & Sprocket - Outlet Verified independent store

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Chainguard Trek Chain Keeper w/Hardware 30-36, 38-44 Genuine replacement parts Keep your chain from dropping Key Features Replacement 3S chainkeeper and hardware For use with Doman e 4-6, Madone 4-7, and Crockett CX Specifications Part Number 431223 Color Black Size One size Model Year 2026 Show more