The Miche SR BSA XM 29 MTB Bottom Bracket is a precision-engineered threaded unit designed for mountain bikers who demand durability, smooth pedaling, and compatibility with modern 29mm crankset axles. Built under Miche's Race Division, it delivers reliability even in the toughest off-road conditions.
Technical Specifications
MCBB4125
SR BSA XM 29
Code: BBSR0BXM
Material: Alloy / CNC-machined
Bearings: Miche 2RS
Thread: BSA
Crankset axle compatibility: 29mm
Weight: 116g