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.
Place an of $100 or more,
and receive a gift certificate
for 10% of your order total.
Most regular and sale items,
earn you 10% or more back.
Look for the red message on
each item page.
Some items only show rewards
when they have been added to your cart.
Simply enter your gift certificate
at the time of your next order.
Rewards are not transferrable,
or redeemable for cash or gift certificates.
Rewards will be adjusted on,
returns and to reflect any unearned value.
To receive your order by 12/24, consider the deadlines listed below:
For guaranteed Christmas arrival, items must be in stock at the time of the order. Also, the deadlines may be different for bikes, frames & wheels which require additional time for prep and assembly. Questions? Contact us.