Dual row flanged bearings used adapt a BB86/92 bottom bracket shell to fit 29mm spindle Sram DUB cranks These bearings fit directly in frames with 41mm ID bottom bracket shells Crankset spindle length must be longer than 104mm when used in a 86.5mm wide BB shell 86/92mm BB86 DUB BlackUPC/EAN/GTIN: 811079025548