Wheels 386EVO Threaded Bottom Bracket. Features: Two precision machined bottom bracket cups thread together offering creak free operation, excellent bearing life, and simple maintenance Fits 386EVO specific frames (46mm ID) with 86.5mm width bottom bracket shells Includes anodized aluminum cups with Enduro sealed bearings Angular contact: Enduro ABEC 5 angular contact bearings Base: Enduro ABEC 3 sealed bearings Requires a 16-notch, 48.5mm outer diameter bottom bracket cup tool Specifications: Frame Interface: BB386 EVO, BB392 EVO Spindle Interface: SRAM/Truvativ GXP (24/22mm) Bottom Bracket Shell ID: PF46 Shell Width: 86mm, 92mm Material: Aluminum (Cups) Color: Black Weight: 145g