Shimano BB91-A Press Fit Bottom Bracket



Shimano bottom bracket for Press-Fit BB91 applications. This item allows you to mount Shimano Hollowtech II mountain bike cranks to select MTB frames which use BB91 Press-Fit bottom brackets. Manufacturers part number ISMBB9141A. Please note that this item will not work unless your frame is specifically built to the BB91 standard.

Model Number
Item Code
Shimano BB91-A Press Fit Bottom Bracket

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