Shimano Bottom Bracket SM-BB72 Press Fit Road 41mm 11 speed INCLUDES SILICONE RUBBER MOUNTING STRAP

INCLUDES SILICONE RUBBER MOUNTING STRAP AND USB CHARGING CABLE

Integrated magnetic mount for the Numen+ Link taillight and GoPro compatible mounting surface

One piece nylon reinforced plastic body

so it’ll last even longer if dropped (while protecting any surface it’s dropped on

Shimano Bottom Bracket SM-BB72 Press Fit Road 41mm 11 speed INCLUDES SILICONE RUBBER MOUNTING STRAPSHIMANO 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