SHIMANO XTR – Bottom Bracket – Press-Fit – HOLLOWTECH II – 89.5/92 mm shell width
With smoot rotation and better sealing performance, the SHIMANO XTR bottom bracket is durable for mountain bike usage.
FEATURES
- Lightweight to offset weight disadvantage of drivetrain
- -19.3g (SM-BB93 vs. SM-BB90A)
- -18.5g (SM-BB94-41A vs. SM-BB91-41A)
- Smoother rotation
- Better sealing performance
- Durable enough for mountain bike usage
- Fits various frame designs
- SM-BB94-41A for press-fit bottom bracket
- Weight: 73g (SM-BB93) 58g (SM-BB94-41A)












