Shimano CS-HG400-9 Speed Cassette 11-25The Shimano CS-HG400-9 Speed Cassette is a great replacement for your old, worn out 9 speed cassette. This cassette uses Hyper Glide technology to give you smooth transitions between shifts. The gearing is 11-12-13-15-17-19-21-23-25T, making it an 11-25t cassette. This steel based, nickel plated component weighs only 225g.689228681347