T47 Internal Bottom Bracket Color:Red and creates a vital structure

and creates a vital structure  pattern

Waxless AR PLUS base features negative (cut) kick surface for the perfect blend of grip and glide in all snow conditions

Rotation Toe Piece

sold individually and by the box

T47 Internal Bottom Bracket Color:Red and creates a vital structureWolf 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