Shimano XTR Press-Fit B.B-MTB-SM-Bb94-41A

-Lightweight to offset weight disadvantage of drivetrain

-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

- Average Weight: 58g