Wheels T47 Inboard Threaded Bottom Bracket. Features: Precision machined threaded aluminum cups with internal bearings Fits T47 specific frames (47mm ID) with shell widths ranging from 68mm to 132mm Includes anodized aluminum cups with Enduro sealed bearings Between the cup sleeve is included for added dirt and grime protection, also helps keep internal wires away from the crank spindle 30mm crank spindle diameter Angular contact: Enduro ABEC-5 angular contact bearings Specifications: Frame Interface: T47 (Inboard) Spindle Interface: 30mm (RaceFace/Easton CINCH, 386 EVO, Rotor 3D+, e*Thirteen P3 Connect, Zipp Vuma) Bottom Bracket Shell ID: 47 Shell Width: 68mm, 86mm, 92mm, 104.5mm, 121mm, 132mm Bearings: ABEC-5 Angular Contact Color: Black Weight: 97g