fit Shimano/Sram MTB & Road Bicycle Freewheel 8/9/10/11 Speed Bike Cassette US
Compatible with common HG hub (cassette body). Not compatible with Sram XD and Shimano Micro Spline hubs. This cassette weighs only 10.58 ounces（about 300g）, which is a good choice for reducing the weight of the bicycle.