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Shimano Dura-Ace CS-R9100 Cassette
Sale price
$335.00
Regular price
$335.00
Prices subject to change. How pricing works →
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In Stock Ships in 1-2 weeks based on its location
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SKU: ICSR910011125 Option: 11x25 / No Color
Pickup available at RA Cycles Brooklyn
Pickup available at RA Cycles Walnut Creek
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 CS-R9100 Cassette
$335.00
Shimano Dura-Ace CS-R9100 Cassette Info
The Shimano Dura-Ace CS-R9100 Cassette sits at the top of Shimano's 11-speed road hierarchy — and the construction reflects that. The five largest cogs ride on dual multi-material carriers combining aluminum and carbon fiber, while the two smallest cogs are titanium for weight savings where it counts most. The remaining six cogs are steel, keeping durability where the drivetrain stress is highest.
Shimano also revised the tooth profile geometry on the R9100 to improve shift speed and smoothness across the range. The cassette is available in five ratios — including the wider 11-30 option for riders who want more range without stepping down a groupset tier, and two 12-tooth small-cog options for those who don't need an 11t regardless of the terrain. Each ratio has a verified weight: 175g (11-25), 193g (11-28), 211g (11-30), 189g (12-25), and 205g (12-28).
Shimano Dura-Ace CS-R9100 Cassette Specs at a Glance
- Speeds: 11-speed
- Available ratios: 11-25, 11-28, 11-30, 12-25, 12-28
- Cog materials: Titanium (smallest 2), steel (middle 6), aluminum/carbon carrier (largest 5)
- Weights: 175g / 193g / 211g / 189g / 205g (by ratio)
- Compatibility: Any 11-speed chain and rear derailleur; designed to pair with Shimano 11-speed road components
PRICE MATCH GUARANTEE
We will price match against advertised or quoted prices from other authorized dealers of the product!