Shimano Dura-Ace CS-R9100 11-speed Cassette
30 Day Return Policy
30 Day Return PolicyIf you’re not 100% satisfied with your Gear purchase, return it within 30 days in an unused condition for a full refund. The 30 day period starts once you receive your goods and is complied with by return of the goods to us within 30 days.
2-Year GuaranteeWe take responsibility for defective products. If you notice any inherent issues with your Gear within a two-year time frame of receipt, please fill out a Guarantee Request under Customer Service below.
The Dura-Ace R9100 component group from Shimano delivers unparalleled performance, refined ergonomics and rider-tuned customization to maximize every rider’s potential. Shifting is optimized thanks to the Hyperglide EV sprockets. This cassette is constructed from a lightweight alloy and carbon fiber spider which houses six steel sprockets and five titanium sprockets. Available in both 11-28 and 11-30 ratios.
- Lightweight cassette
- HG-EV technology cassette sprocket for rider-tuned gear combination and cadence management
- Optimal 11-speed drive train gear ratio
- Silky driving, accurate shifting HG-X11 directional chain provides smoother shifts and greater overall performance
- Nickel-plated finish offers hard wearing resistance to corrosion
- Alloy cassette lockring
- Sprockets are extensively cut away and drilled to further reduce weight without reducing rigidity
- Series: Dura-Ace R9100
- Model Number: CS-R9100
- Speed: 11-speed
- Number of Spider Arms: 2
- Spider Arm Material: CFRP
- Sprocket Material: Steel / Titanium
- Lockring Material: Aluminum
- Teeth: 28 / 30
- 1 x Shimano Dura-Ace CS-R9100 Cassette
- 1 x Shimano Lockring
- 291 g
Number of Sprockets
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Subject to technical modification without notice. Errors and omissions excepted.