Wheels Manufacturing BB86 to 30MM ABEC-3 Sealed BearingABEC 3 Sealed Bearing Replace your bottom bracket with these dual row flanged bearings and run 30mm spindle cranks in your frame These bearings fit directly in frames with 41mm ID bottom bracket shells (Flange of bearing is 44mm) Crankset spindle length must be longer than 104mm when used in a 86. 5mm wide BB shell Sold individually (You'll need to purchase two per frame) Fits the following bottom bracket interfaces: BB86, BB92, PF90, BB104 107,