T47 Internal Bottom Bracket Color:Espresso 9mm clamp will fit frames

9mm clamp will fit frames with a seat tube measuring from 34

Best for Classic

Average Width: 105 mm

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Optimized for use with GRX ultra wide range drivetrains when using the GRX 810 (RX810) rear derailleur paired to a 1x chainring configuration

T47 Internal Bottom Bracket Color:Espresso 9mm clamp will fit framesWolf 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