Wheels Manufacturing Press Fit BB86/92 Bottom Bracket - For use with 30mm Spindles, Dual-Row ABEC-3 BearingsBB86 92 PressFit Bottom Bracket 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 Complete kit for one frame Replaceable Enduro bearings Made in the USA Item Specifications BB Shell Width (mm) 104. 5 BB Shell Width (mm) 107 BB Shell Width