Shimano CS-HG500 10-Speed CassettesThe CS-HG500 cassette meets durability requirements for E-MTB applicationsNickel shot peened finish for corrosion resistanceDrilled cogs for weight savingsNickel plated steel lockringThe CS-HG500 cassette meets durability requirements for E-MTB applicationsItem Specifications 10 Speed 10 SpeedCassette Cogs11-12-13-14-15-17-19-21-23-25Drivetrain Speeds10Range11-25Designed for ebikeYesColorSilverDefined ColorShimano/SRAM 8