BB86/92 Technical Info
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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
- 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
Click HERE for Wheels Manufacturing BB86/92 bottom brackets for use with 22/24mm dia. spindle cranks (GXP).
Click HERE for Wheels Manufacturing BB86/92 bottom brackets for use with 24.00mm dia. spindle cranks.
Click HERE for Wheels Manufacturing BB86/92 bottom brackets for use with 29mm dia. spindle cranks (SRAM DUB™).
Click HERE for Wheels Manufacturing BB86/92 bottom brackets for use with 30mm dia. spindle cranks.