The Shimano HG300 9 speed cassette is a great value replacement to your worn out parts or a highly affordable way to move up to 9 speed from 8. Compatible with super narrow Hyperglide or other 9-speed chains and using proven Hyperglide technology for the smoothest shifting this side of a 1960’s jazz band, the HG300 cassette offers remarkable performance for the price. The 12-36 tooth sprockets give a wide gear range for big hills and chasing down traffic. Full steel construction offer longevity meaning that your Shimano HG300 9 speed cassette will offer long lasting, as well as high quality performance.