全港最大單車品牌代理｜一站式單車購物首選
-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
ISMBB9441A
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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
