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BB86/92 BB's

BB86/92 (PF24) is a pressfit BB system. Bearings in cups are pressed into the frame, similar to the PF30 system. Final width of system is equal to a frame with outboard threaded BB cups installed (BSA standard).   

Specifications:
► Shell Width: 86.5mm (road) or 91.5mm (mountain)
► Shell ID: 41mm
► Bearings are contained inside cups which are pressed into the frame; shell has a stepped design but there are no snap ring grooves
► 28/30, 29, or 30mm bearings are directly pressed into the frame. They have 2 bearing row for more resistance.

BB86/92 BB's

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