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This bottom bracket is when you have a PF30, BBright, or 386EVO shell frame and want to install a BB30 crankset into the frame. All have a 46mm inner diameter and smooth insides, though the widths vary from 68mm to 86mm. The crank has a 30mm diameter spin Read more..
Compatible with: 30 mm Crank
Frame Fit: PF46
Inner diameter: 46 mm
Shell width: 68 mm