Custom hardened chrome steel bearings with ZNA coating provide exceptional durability and corrosion resistance
Elimination of metal-on-metal contact via polymer spindle bushings ensures quiet, smooth operation
Advanced weather sealing protects bearings from water, mud, and debris in all conditions
Adjustable width sleeve fits T47 internal shells from 85.5 mm to 92 mm for broad compatibility
Standard 52-16 spline tool interface allows easy installation and removal without specialist equipment
Summarized by Shop
Wolf 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.