Shimano CS-HG400 Alivio 9-Speed Cassette - 11-34T

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 controlGear ratios to suit all wheel sizes 700C/26/27.5/29inchSprockets are cut away and drilled to reduce weight without reducing rigidityNickel-plated finish offers hard wearing resistance to corrosionCorrosion-resistant steel cassette lock ringFor Super Narrow 9-speed HG chains