The Shimano CS-HG400 Alivio 9-Speed Cassette uses Hyperglide sprockets that 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
- 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 lock ring
- For Super Narrow 9-speed HG chains
