Shimano SM-BB93 Bottom Bracket Xtr

SM-BB3 bottom bracket for Shimano XTR Hollowtech II cranksets. Light weight to offset weight disadvantage of drivetrain and with better sealing performance for smoother rotation.

Including BSA bottom bracket cups with right and left bearing shells and 3 spacers.

Specifications

• Size: 68-73 mm

• Color: black

• Weight: 77 grams