Description
กะโหลก Ultegra แบบ PRESS FIT รุ่น SM-BB7241-B SHIMANO
SHIMANO ULTEGRA Press Fit Bottom Bracket 86.5 mm shell width
SM-BB72-41
SHIMANO ULTEGRA – Bottom Bracket – Press Fit – HOLLOWTECH II – 86.5 mm shell width
With reliable SHIMANO bearings and seals, the SHIMANO ULTEGRA bottom bracket has a long service life.
FEATURES
Optimum power transfer
>>Lightweight maintains efficiency
DURA-ACE proven 4-arm design: Same stiffness and lighter weight
14 g lighter weight and half the friction of the SM-BB6700, while maintaining the same durability
Variety choice of gearing: 53-39T/52-36T/50-34T/46-36T
Weight: 69 g
สำหรับจักรยานเสือหมอบ
แบบอัด
มิติเฟรม 41 x 86.5mm
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