Optimized for high-performance racing, the Dura-Ace CS-R9100 11-Speed Cassette features precision-engineered 12-tooth first gear, delivering rapid acceleration and smooth gear transitions on demanding terrains.
Constructed with lightweight, durable materials such as titanium and nickel-plated steel, this cassette ensures enhanced durability, reduced weight, and optimal power transfer for competitive cycling.
Equipped with advanced Hyperglide technology, the CS-R9100 offers effortless, precise shifting across all 11 gears, reducing drivetrain noise and increasing efficiency during high-speed rides.
Designed for professional racers and serious enthusiasts, this cassette seamlessly integrates with 's Dura-Ace R9100 drivetrain system, providing consistent performance for time trial, road racing, and endurance cycling.
Featuring a sleek, aerodynamic design and compatibility with 11-speed freehub bodies, the CS-R9100 enhances your bike's overall style and functionality, making it ideal for aggressive riding styles and endurance events.