Shimano Ultegra SM-BB72-41B Bottom Bracket condition:Pristine while the quick-draw ice ax

while the quick-draw ice ax loop and helmet net offer secure carrying

Or pack it for weekend camping trips when showers are in the forecast

Pop color tape on back of neck

Shed a layer at the summit or bundle up on a blustery day - this jacket has your back

Whether headed to class or hitting the trails

Shimano Ultegra SM-BB72-41B Bottom Bracket condition:Pristine while the quick-draw ice axFEATURES of the Shimano Ultegra SM BB72 41B Bottom Bracket Lightweight maintains efficiency Combined with FD 6800 chain guide design to reduce chain drop Optimum power transfer Dura ace proven 4 arm design: Same stiffness and lighter weight 14g 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 Press Fit BB shell width_86mm Hollowtech II BB_press fit type