Steel Direct Mount Chairing 38T Bosch CX Gen4 Code:CR4USA-102 Rubberised outer shackle prevents frame

Rubberised outer shackle prevents frame scratch

2 Hydraulic Brake Bleed Kit — Mineral Oil

and 5mm Flat Blade bits

Redesigned caliper tips for easier radial truing

Steel Direct Mount Chairing 38T Bosch CX Gen4 Code:CR4USA-102 Rubberised outer shackle prevents framee*thirteen e*spec Steel Direct Mount Chairing 38T 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