Shimano SM-BB72-41B Ultegra Bottom Bracket gloves Bead: WireSize:700 x 32700 x

Bead: WireSize:700 x 32700 x 38Pressure: 80 PSIWeight:(32) 490g(38) 520g

Dimensions  42

all without compromising style

Flow Profile blends the perfect amount of rocker and camber for optimal effective edge contact on hardpack snow and ice

WS/M 2807 in3 / 46 l 27

Shimano SM-BB72-41B Ultegra Bottom Bracket gloves Bead: WireSize:700 x 32700 xSHIMANO ULTEGRA Bottom Bracket Press Fit HOLLOWTECH II 86. 5 mm shell widthWith reliable SHIMANO bearings and seals, the SHIMANO ULTEGRA bottom bracket has a long service life. FEATURES:Optimum power transferLightweight maintains efficiencyDURA ACE proven 4 arm design: Same stiffness and lighter weight14 g lighter weight and half the friction of the SM BB6700, while maintaining the same durabilityVariety choice of gearing: 53 39T 52 36T 50 34T 46