With smoot rotation and better sealing performance, the SHIMANO XTR bottom bracket is durable for mountain bike usage. It is available in threaded and press-fit options.
Specifications
- 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-BB93 for threaded bottom bracket
- SM-BB94-41A for press-fit bottom bracket
- Weight: 73g (SM-BB93) 58g (SM-BB94-41A)