S-Ride CS-M300 Cassette 9sp 11-40tThe S-Ride CS-M300 Cassette 9sp 11-40t is compatible with Shimano HG 9 speed hub bodies and is a great replacement for your worn out cassette. The nickel-plated steel cogs are built to last as you log in the miles. The tooth configuration is 11,13,15,18,21,24,28,34, 40t.6974295230289