Shimano Dura-Ace CS-9000 11-25 11 Speed Cassette features_kineticore Removes all chain oil and

Removes all chain oil and wax residue

and other hard to reach areas

Rust-resistant surface treatment

Its innovative OptiCube lens technology amplifies your ride with a wide

it is a lightweight

Shimano Dura-Ace CS-9000 11-25 11 Speed Cassette features_kineticore Removes all chain oil andAbout 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,