$269.99
In stock
Shimano CS-R9100 Cassette 11-30 Dura-Ace 11-Speed is designed for riders who want extra climbing capability without compromising high-speed performance. Built for smooth and precise shifting, this Dura-Ace cassette delivers race-level efficiency across varied terrain. The 11-30T gear range provides greater low-end support for climbs while maintaining tight enough spacing for efficient cadence on flat roads and fast group rides.
Engineered for elite road cycling, the Shimano CS-R9100 Cassette 11-30 Dura-Ace 11-Speed delivers fast, reliable shifting with every gear change. Shimano’s advanced sprocket design ensures smooth engagement and efficient power transfer, allowing riders to accelerate quickly and maintain speed. Whether racing or training, this cassette performs consistently under load and across all riding conditions.
The 11-30T gear range offers a versatile setup for riders tackling varied terrain. It provides easier climbing gears compared to tighter ratios, while still maintaining efficient mid-range steps for smooth cadence on flatter sections. This makes the Shimano CS-R9100 cassette a strong choice for riders who want added climbing support without sacrificing performance.
The Shimano CS-R9100 cassette features a lightweight construction with a combination of titanium and steel sprockets mounted on an alloy carrier. This design reduces weight while maintaining strength and durability, ensuring long-term performance even under demanding riding conditions.
The Shimano CS-R9100 Cassette 11-30 Dura-Ace 11-Speed is compatible with standard Shimano 11-speed road freehub bodies and HG 11-speed chains. Designed to integrate seamlessly with Dura-Ace R9100 drivetrains, it delivers optimal shifting performance and drivetrain efficiency.
Modern road cycling demands a drivetrain that can handle both speed and elevation. The Shimano CS-R9100 cassette is designed to optimise power transfer and reduce energy loss, helping riders maintain smoother cadence and stay in the optimal gear longer. This improves overall efficiency across long rides, climbs, and high-speed efforts.
• Dura-Ace 11-speed cassette for high-performance road cycling
• 11-30T gear range for climbing and versatile riding
• Smooth and precise shifting performance
• Lightweight construction with titanium and steel sprockets
• Optimised for racing, training, and endurance riding
• Compatible with Shimano 11-speed road freehub bodies
Model: CS-R9100
Series: Dura-Ace R9100
Speed: 11-speed
Gear Range: 11-30T
Combination: 11-12-13-14-15-17-19-21-24-27-30T
Technology: HyperGlide
Compatible Chain: Shimano HG 11-speed
Freehub Compatibility: Shimano 11-speed road
Sprockets: Titanium and Steel combination
The Shimano CS-R9100 Cassette 11-30 Dura-Ace 11-Speed is ideal for riders who want a balance of lightweight performance, climbing capability, and precise shifting. Trusted by professional cyclists, Dura-Ace components deliver exceptional efficiency and reliability, making this cassette a premium upgrade for serious road riders.
Looking to complete your drivetrain upgrade? Browse our full range of Shimano components available at George’s Bike Shop.
Shimano is a global leader in bicycle component innovation, producing high-quality parts for riders of all levels. From professional racing to everyday cycling, Shimano continues to set the benchmark for performance, reliability, and cutting-edge technology.
