All Shimano free-hub compatible. Can be fitted using a 12 tooth splined cassette removal/fitting tool. Clarks rear cassettes are all manufactured to a high standard, using Nickel plated steel for increased longevity. Features: Compatible with most 10 speed gear systems (excluding Campagnolo) Corrosion resistant steel Nickel plated for longevity Sprocket range - 1 1t, 13t, 15t, 17t, 19t, 21t, 23t, 25t, 28t, 32t Weight: 420g
