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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
and seamless construction ensure lasting comfort
Material: Down insulation for superior warmth
StretchVent gaiters with gripper elastic
100% organic cotton
Shimano Ultegra SM-BB72-41B Bottom Bracket color:black:#0e0e0e and seamless construction ensure lastingFEATURES 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
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