The Shimano Deore CS-M4100 10-speed cassette offers a wide range of gearing options. With its lightweight sprocket carrier, it delivers smooth gear steps and precise shifting. The distinctively designed Hyperglide sprockets incorporate specially positioned shift ramps and tooth profiles for improved chain control during shifting. Fast and responsive indexed shifting is the result. The HG cassette sprocket, which was developed for the MTB 10-speed system, underwent comprehensive optimisation to achieve super-highly efficient shifting.Deore M4100 10-Speed Dyna-Sys cassette featuring light weight minimal design sprocket carrierThe 3 largest sprockets are mounted on a lightweight steel carrier to reduce weight and increase rigidityHyperglide sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under loadClose ratio gearing allows a more efficient use of energy through finer cadence controlSprockets are cut away and drilled to reduce weight without reducing rigidityFor 10-speed HG-X MTB chains