SHIMANO Ultegra Press-Fit Bottom Bracket SM-BB72-41B Brakes powerful light output and its

powerful light output and its unique mounting system – the Blinder was an instant classic

60-90 (700 x 30C)

265g / pair (manufacturer information)

Designed for paved surfaces and hard-packed gravel

For the charging on internal SHIMANO DI2 batteries (BT-DN110)

SHIMANO Ultegra Press-Fit Bottom Bracket SM-BB72-41B Brakes powerful light output and itsWith 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 Variety choice of gearing: 53 39T 52 36T 50 34T 46 36T Weight: 69 g Product Specifications Model No SM BB72 41 Average Weight 69g Press