Product Info Expand your choice of cranks for use in BB86/BB92/BB91/BB71-41/BB107 frames. Dual-row flanged bearings to run 30mm spindle cranks (FSA BB386EVO, Rotor 3d+, RaceFace Next SL, e.thirteen) cranks. Directly fits frames with 41mm ID smooth bore bottom bracket shells Requires 30mm spindle cranksets with spindle lengths longer than 104mm Includes bearings, spacers, and seals