Hyperglide sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under loadCorrosion-resistant steel cassette lockringFor HG body spline MFor 7-speed chains
Shimano Tiagra HG500 Cassette Sprocket 10-speed 11-32T
Shimano Tiagra HG500 Cassette Sprocket 10-speed 11-25T - one size
Shimano CS-R8101 Ultegra 12-speed Cassette
Shimano Sora HG50 9 Speed Cassette
Zipp Cassette Spacer for 188 Rear Hubs (Shimano 11 speed to 10 Speed)
Shimano SLX M7100 12 Speed Cassette
