T47 Internal Bottom Bracket Color:Gold Constructed using Cold Base Bonding

Constructed using Cold Base Bonding technology

K21 S Silver Uni - Great in challenging conditions

Increasing the overlap will provide additional cushion

On the Mohs hardness scale

tighter rear triangle and slacker head angle delivers confident

T47 Internal Bottom Bracket Color:Gold Constructed using Cold Base BondingWolf Tooth T47 Internal Bottom Brackets are engineered to be smooth, durable, lightweight, fast, and user serviceable. Our 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. They're available for 24mm Shimano, 29mm DUB, and 30mm spindle diameters for maximum compatibility, and four colors