E*THIRTEEN E*SPEC STEEL DIRECT MOUNT CHAINRING FOR BOSCH CX GEN4 Finance Use only with appropriate Bontrager

Use only with appropriate Bontrager TLR rim valves

The reversible valve head fits both Presta and Schrader valves

Molded rubber arms protect bike finish

Virginia Tech 5-STAR rating

E*THIRTEEN E*SPEC STEEL DIRECT MOUNT CHAINRING FOR BOSCH CX GEN4 Finance Use only with appropriate BontragerUpgrade your e bike drivetrain with our Bosch e*spec Direct Mount Chainrings. Our M3 narrow wide tooth profile reduces weight without compromising on chain retention. While the steel version is a direct OEM replacement, the premium aluminum versions provide cleaner aesthetics, lighter weight, and long lasting performance perfect for when you're ready to upgrade from your original ring. Conquer your e bike trails at a great pricepower up your