Wolf Tooth T47 External Bottom Bracket - T47 External 68/73mm For 24mm/Shimano Spindle Ultraviolet Purple Description-Air Fill Adapter Assembly Also works on thread and

Also works on thread and headset installation

While the Commuter Insert is ideal for commuters it can also be a faithful companion to anyone who transports gear from any point A to any point B

Durable shot peened and anodized finish with cable groove indents

Rings 42Number of Chainrings Chain Retaining SingleDrivetrain Speeds 9Drivetrain Speeds 10Drivetrain Speeds 11Chainring BCD 110 Shimano AsymmetricChainline/Hub Compatibility 135/142 Road Disc Hubs < 415 mm ChainstayChainline/Hub Compatibility 135/142 Road Disc Hubs > 415 mm ChainstayColor BlackCrank Length (mm) 170Crank Intended Use GravelCrank Intended Use RoadBB Included NoPedal Spindle 9/16"Spindle Interface Type Shimano Hollowtech IIDefined Color Black

Wolf Tooth T47 External Bottom Bracket - T47 External 68/73mm For 24mm/Shimano Spindle Ultraviolet Purple Description-Air Fill Adapter Assembly Also works on thread andWolf 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