Shimano SM-BB72-41B Ultegra Bottom Bracket

Description

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