Shimano Dura-Ace CS-9000 11-25 11 Speed Cassette features_kineticore Rust-resistant surface treatment

Rust-resistant surface treatment

Its innovative OptiCube lens technology amplifies your ride with a wide

Everything is stored in a compact package that fits easily in a saddlebag or backpack pocket

and other hard to reach areas

Drop-pocket construction for better fit around waist and better pocket position

Shimano Dura-Ace CS-9000 11-25 11 Speed Cassette features_kineticore Rust-resistant surface treatmentAbout Shimano Dura Ace CS 9000 11 25 11 Speed Cassette The Shimano Dura Ace CS 9000 11 25 11 Speed Cassette is designed for riders seeking maximum efficiency, tight gear spacing, and race level performance. Engineered for smooth and precise shifting, this Dura Ace cassette is ideal for flat terrain, fast group rides, and racing where maintaining optimal cadence is critical. The close ratio 11 25T gearing allows for seamless transitions between gears,