Shimano's Altus CS-HG201 is perfect for 9-speed mountain bike drivetrains and offers HYPERGLIDE shifting technology and a silver finish.

• 9-speed
• Shimano Series: Altus M2000
• Quick and easy assembly with cassette sprocket cap
• Hyperglide sprockets guide chain for quick, direct and quiet changes
• Close gear steps between primary sprockets creates smooth, comfortable pedalling
• Compatible chain: HG 9-speed
• Rust-resistant surface treatment