Expand your choice of cranks for use in frames with 41mm ID shells. 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. Crankset spindle length must be longer than 104mm when used in a 86.5mm wide BB shell. – Sold individually (two needed per frame) – Bearings: Enduro Dual-Row ABEC-3 – Color: Silver – Bottom Bracket/Frame Interface: BB86, BB92, PF90, BB104/107, PF121, PF132 – Bottom Bracket Shell Width: 86.5mm 132mm – Bottom Bracket Shell I.D.: 41mm – Flange OD: 42mm – Crank Spindle Diameter: 30mm – Over Bearing Width: 92mm in 86.5mm wide shell (dimensions include supplied silicone dust shields) – Weight: 36g