Shimano Ultegra SM-BB72-41B Bottom Bracket condition:Pristine and zippered hand pockets warm

and zippered hand pockets warm up chilly fingers

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

Whether headed to class or hitting the trails

made in a Fair Trade Certified‚Ñ¢ factory

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

Shimano Ultegra SM-BB72-41B Bottom Bracket condition:Pristine and zippered hand pockets warmFEATURES 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