Threaded Angular Contact BB for 386EVO frames (86.5mm shell width, 46mm shell ID). Machined cups thread together for stability, increased bearing life, and simple installation and maintenance. No more creaking. Smooth operation. Fast bearing replacement. – Bearings: Enduro Angular Contact – Color: Black – Bottom Bracket/Frame Interface: BB386EVO – Bottom Bracket Shell Width (mm): 86.5mm – Bottom Bracket Shell I.D.: 46mm – Crank Spindle Type: BB30 – Crank Spindle Diameter: 30mm – Weight: 124g – Packaged for retail display – Will accept 24mm and 24/22mm cranksets using Wheels Mfg. 386EVO BB / Crank Adapters