BB86 to 29MM (DUB Compatible) Kit for PressFit 86/92 Bottom Bracket with Flanged, Dual Row Black Oxide Sealed BearingsExpand your choice of cranks for use in frames with 41mm ID shells. Replace your bottom bracket with these dual row flanged bearings and run 29mm spindle SRAM DUB compatible cranks in your frame. These bearings fit directly in frames with 41mm ID bottom bracket shells. Complete kit for one frame Includes: (2) Enduro BB86 to 29MM Dual Row ABEC 3 Black Oxide Bearing (2) 0. 5mm crank spacer (2) 1. 0mm crank spacer (2) 5. 0mm crank spacer (2) 2. 5mm crank