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.
One coupon per order
Discount taken off MSRP
In stock items only
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Some items are restricted
Groupsets, hand built wheels, special orders & labor costs are excluded from the coupon.
Additional exclusions may apply.