Steel Direct Mount Chairing 38T Bosch CX Gen4 Code:CR4USA-102 the SPIKE Race 33 combines

the SPIKE Race 33 combines the wide stance of its predecessor the SPIKE 35 EVO

and heavier bikes in mind

BOTTOM BRACKET: M30-THRU BB (30/30mm BB REQUIRED)

No extra hardware

Large: 59-63cm

Steel Direct Mount Chairing 38T Bosch CX Gen4 Code:CR4USA-102 the SPIKE Race 33 combinese*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