Shimano Deore HG500 10 Speed MTB Cassette Nickel shot peened finish for corrosion resistance Drilled cogs for weight savings Nickel plated steel lockring Type: Shimano/SRAM 10 Speed Style: Shimano/SRAM Spline Cassette Body Type: Shimano/SRAM 8, 9, 10 Speed Drivetrain Speeds: 10