Shimano Alivio CS-HG400 9-Speed Cassette

• Gear ratios to suit all wheel sizes 700C/26/27.5/29inch
• Sprockets are cut away and drilled to reduce weight without reducing rigidity
• Nickel-plated finish offers hard wearing resistance to corrosion
• Corrosion-resistant steel cassette lockring
• For Super Narrow 9-speed HG chains

Shimano Alivio HG400 high quality 9-speed cassette. Featuring Hyperglide sprockets which have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load.

Close ratio gearing allows a more efficient use of energy through finer cadence control.