Details
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
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