Steel Direct Mount Chairing 36T Bosch e*thirteen Code:CR4USA-101 With over a decade of

With over a decade of experience designing these carriers and winning more Ironman Distance World Championships than all our competitors combined

The tradeoff for the weight savings and low rolling resistance of the 170 TPI casing is lower durability relative to our standard 120 TPI casing

Weight 140mm: 86g

RACE CONSTRUCTION

and aluminum frames

Steel Direct Mount Chairing 36T Bosch e*thirteen Code:CR4USA-101 With over a decade ofe*thirteen e*spec Steel Direct Mount Chairing 36T Bosch CX Gen4 Black Upgrade 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