Wolf Tooth T47 External Bottom Bracket - T47 External 68/73mm For SRAM DUB Spindle Orange Weight-615 but adds a rib knit

but adds a rib knit cuff that gives you an aerodynamic advantage over normal socks

spindle CrMo size 9/16" color blue weight 310g

Heat dissipating paint boosts performance

Lightweight compact design

The 772wh battery provides up to 60 miles of range at the lower levels of pedal assist

Wolf Tooth T47 External Bottom Bracket - T47 External 68/73mm For SRAM DUB Spindle Orange Weight-615 but adds a rib knitWolf Tooth T47 External bottom Brackets are engineered to be smooth durable lightweight fast and user serviceable. Their ground up design features custom bearings seals bushings and cups which eliminate creaking and balance best in class weather sealing with optimized bearing radial compression alignment and preload for low drag. The Wolf Tooth Bottom Bracket bearings feature custom designed balls and races that are made from a hardened chrome bearing