Wheels Manufacturing T47 Inboard Bottom Bracket for 22/24mm SRAM/GXP Spindles with ABEC-3 Bearings

T47 Inboard threaded bottom brackets are made from machined aluminum, and thread together directly into T47 frames. Cups have internal bearings for use in BB shell widths from 68mm to 132mm. Enduro Angular Contact bearings - easily serviced or replaced Si