The Shimano XT CS-M770 9-speed cassette is a lightweight and high-performance cassette for mountain bikes. With a gear ratio of 11-32, this cassette offers a wide range of gears. The cassette is made of steel and has a chrome plated finish. The aluminum spider provides extra stiffness and durability. This cassette is compatible with Shimano Deore XT groupsets and is a reliable choice for cyclists looking for smooth and precise shifting performance. Specifications: - Brand: Shimano - Shimano groupset: Deore XT - Shimano groupset code: M770 - Shimano model code: CSM770 - Model year: 2003 - Number of gears: 9 - Shimano type: HG - Gear ratio: 11-32 - Weight: 256 g (11-32T) - Sprocket material: Steel - Sprocket finish: Chrome plated - Compatible chain: Super Narrow HG 9 speed - Aluminum sprocket holder: Yes