SM-BB71-41B Press Fit Bottom Bracket

SM-BB71-41B 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 Variety choice of gearing: 53-39T/52-36T/50-34T/46-36T Weight: 69 g PRODUCT SPECIFICATIONS MODEL NO SM-BB72-41 SERIES SHIMANO 105 R7000 Series Average weight 69 g HOLLOWTECH II BB Type Press-Fit type Press-Fit BB Shell Width 86.5 mm (SM-BB72-41B) Small ball bearing ✔