Wheels Manufacturing 24mm Bottom Bracket Description: The Wheels Manufacturing 24mm Bottom Bracket threads together for stability, increased bearing life, and creak-free pedaling. Compatible with a Shimano 24mm spindle and both the 386EVO and 392EVO bottom bracket standards. Designed for simple installation, maintenance, and bearing replacement. Features: Fits 386EVO specific frames (46mm ID) with 86.5mm width bottom bracket shells Includes anodized aluminum cups with Enduro sealed bearings Enduro Angular Contact Sealed Bearings Requires a 16-notch, 48.5mm outer diameter bottom bracket cup tool Specifications: Frame Interface: BB386 EVO, BB392 EVO Spindle Interface: 24mm (Shimano Hollowtech II, FSA MegaExo, FSA MegaExo Light, RaceFace EXI) Bottom Bracket Shell ID: PF46 Shell Width: 86mm, 92mm Material: Aluminum (Cups) Color: Black Weight: 133g