Shimano SM-BB91 Press Fit
Category: Parts - Bottom Bracket
The Shimano SM-BB91 Press Fit bottom bracket is a high-performance component designed for XTR-level drivetrains. Featuring an external sealed bearing design in a press-fit shell, this bottom bracket delivers smooth and reliable rotation for demanding riding conditions.
- Press-fit shell design for installation in compatible frames
- External sealed bearings provide long-lasting protection against dirt and moisture
- Compatible with 24mm crank spindles, common on Shimano XTR and other high-end cranksets
- Engineered for precise fit and consistent performance from the trusted Shimano XTR series
Completing your purchase
Take a moment to review your selection and total before payment.
Preparing your order
Please consider both preparation and transit when planning your purchase.
Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.
Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.
View policyRequesting a refund
Contact the store with your order details so your request can be reviewed.
Please contact us for the refund processing timeframe before returning an item.
View policyDelivery arrangements
The available delivery services and charges are listed below.
Standard Shipping · United States: $0.00
Express Shipping · United States: $3.99
View policyBefore arranging a return
Speak with the store before arranging a return shipment.
United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.
View policy
