8 / 9 / 10 / 11S Bike Cassette. Fits Shimano / SRAM 16 - 46T Sprocket Chain. With a range of 16T, 20T, 24T, 28T, 34T. 40T & 46T sprockets, you'll have the versatility to tackle diverse terrains, making it an excellent choice for mountain bikers.
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