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Shimano Dura-Ace BB-R9100 Bottom Bracket
Sale price
$52.00
Regular price
$52.00
Prices subject to change. How pricing works →
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- RA price match promise
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In Stock Ships in 1-2 weeks based on its location
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SKU: IBBR9100B Option: English
Pickup available at RA Cycles Brooklyn
Pickup available at RA Cycles Walnut Creek
Qualifying customers may be able to pay with their HSA or FSA through Flex. Flex disclosures (opens in a new tab)
Stock Availability by Location
RA Cycles Brooklyn In stockLow stock (1 left)Low stock (2 left)— Out of stock— Not immediately available
105 5th Ave, Brooklyn, NY 11217718-636-5242
* Available for in-store pickup in 2-4 hours
* Available for in-store pickup in 2-4 hours
* Available for in-store pickup in 2-4 hours
RA Cycles Walnut Creek In stockLow stock (1 left)Low stock (2 left)— Out of stock— Not immediately available
2099 Mt Diablo Blvd, Walnut Creek, CA 94596925-433-7099
* Available for in-store pickup in 2-4 hours
* Available for in-store pickup in 2-4 hours
* Available for in-store pickup in 2-4 hours
Distribution Center - East In stockLow stock (1 left)Low stock (2 left)— Out of stock— Not immediately available
Distribution Center - Central In stockLow stock (1 left)Low stock (2 left)— Out of stock— Not immediately available
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Shimano Dura-Ace BB-R9100 Bottom Bracket
$52.00
Shimano Dura-Ace BB-R9100 Bottom Bracket Info
The Shimano Dura-Ace BB-R9100 Bottom Bracket is the threaded bottom bracket built around Shimano's 24mm spindle standard — a straightforward, reliable interface that keeps the drivetrain stiff and the bearings well-protected. External cups house sealed ball bearings, with the wide bearing spacing designed to maximise stiffness at the crank-to-frame junction where torsional loads are highest.
Available in both English (68mm) and Italian (70mm) thread standards, the BB-R9100 is compatible with any Shimano 24mm thru-axle crank — including current and previous generations of Dura-Ace, as well as Ultegra and 105. Each cup is marked with directional arrows to take the guesswork out of installation. The unit weighs 65g, keeping the overall drivetrain package light without compromising durability.
Shimano Dura-Ace BB-R9100 Bottom Bracket Specs at a Glance
- Shell compatibility: English (68mm) or Italian (70mm) threaded
- Spindle compatibility: 24mm thru-axle Shimano cranks
- Bearing type: Sealed external cup ball bearings
- Weight: 65g
- Finish: Black
PRICE MATCH GUARANTEE
We will price match against advertised or quoted prices from other authorized dealers of the product!