NEW RaceFace Team XC X-Type External Bottom Bracket: BSA 68/73mm BB Shell x 24mm Spindle rearder_9speed completely re-engineered for 1x systems

completely re-engineered for 1x systems and the innovative X-Sync 2 chainrings

Mount with extended arm

Sliding dust cover to protect from dirt and debris

each is intended to improve the shifting of your 1x drivetrain

NEW RaceFace Team XC X-Type External Bottom Bracket: BSA 68/73mm BB Shell x 24mm Spindle rearder_9speed completely re-engineered for 1x systemsRaceFace X Type bottom brackets for use with 24mm spindle cranksets from Race Face, Shimano and FSA. BB Shell Width (mm) 68, 73 BB Frame Interface English Bottom Bracket Shell I. D. 1. 37 Defined Color Black Spindle Interface Type FSA MegaExo, FSA MegaExo Light, RaceFace EXI, Shimano Hollowtech II Weight 95