This lightweight, sealed bearing bottom bracket is constructed using CNC machined alloy cups.Designed to be press-fitted into 46mm Internal Bottom Bracket shells.Works together with common 30mm axle size type cranks. Universal 68/73mm shellRoad or MTB fit.Accepts 30mm axlesSpacers includedBlack anodised finish Weight: 124gNote – If using with Rotor cranks. Please use original Rotor dust covers on outside face of bearing.