Thread together BB for 386EVO frames and 24mm diameter spindle cranks. Machined aluminum cups thread together for stability, increased bearing life, and simple installation and maintenance. Enjoy smooth operation, fast bearing replacement, and no more creaking. – Bearings: Enduro Angular Contact – Color: Black – Bottom Bracket/Frame Interface: BB386EVO, BB392EVO – Bottom Bracket Shell Width: 86.6mm – Bottom Bracket Shell I.D.: 46mm – Crank Spindle Diameter: 24mm – Over Bearing Width: 91.5mm in 86.5mm wide shell (dimensions include supplied silicone dust shields) – Weight: 133g