The TRP CS-M8070 7-speed DH cassette offers high wear resistance with durable steel cogs and an integrated CNC machined aluminum spoke protector. 11-24t gear range is optimized for DH applications Durable steel cogs provide high wear resistance for longevity Integrated CNC machined aluminum spoke protector offers and added failsafe for the roughest riding conditions Range 11-24 Cogs 11-13-15-17-19-21-24 Cassette Body Type Shimano HG 7-Speed Drivetrain Speeds 7 Color Black