Wheels PF30 Threaded Bottom Bracket. Features: Two precision machined bottom bracket cups thread together offering creak free operation, excellent bearing life, and simple maintenance Fits PF30 specific frames (46mm ID) with shell widths ranging from 61mm to 79mm Includes anodized aluminum cups with Enduro sealed bearings Angular contact: Enduro ABEC 5 angular contact bearings Requires a 16-notch, 48.5mm outer diameter bottom bracket cup tool, WZ-3500 (Sold Separately) Specifications: Frame Interface: PF30 Spindle Interface: 30mm (RaceFace/Easton CINCH, 386 EVO, Rotor 3D+, e*Thirteen P3 Connect, Zipp Vuma) Bottom Bracket Shell ID: PF46 Shell Width: 68mm, 73mm Bearings: Angular Contact Color: Black Weight: 114g