Shimano Press Fit BB72 Bottom Bracket
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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.
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.
Mfr Claimed Weight