Wheels Manufacturing BB86 Threaded bb Sram

The BB86 bottom bracket shell is 86.5mm wide and the BB92 shell is 91.5mm wide. Both have an inside diameter of 41mm. Originally designed to use 24mm or 22/24mm diameter crank spindles, some frames can run 29mm and 30mm diameter crank spindles with direct-fit bearings. BB86/92 bottom brackets consist of bearings pressed into cups, which are then pressed into the frame. The main dimension with this standard is the inside diameter of the BB shell: 41mm. There are other standards that also have a 41mm ID: PF24, PF41, PF107, PF121, PF132

 Features:

• Common Shell Widths: 86.5mm (road) or 91.5mm (mountain)
• Also used in shell widths: 89.5mm, 104.5mm, 107mm, 121mm, 132mm
• Shell ID: 41mm
• Bearings are pressed into cups which are pressed into the frame
• Shell may have a stepped design but there are no snap ring grooves