SHIMANO 內藏式中心盆-爬山車用-SM-BB94-41A / SHIMANO XTR PRESS-FIT B.B-MTB-SM-BB94-41A

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-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