MS3 Cassettes offer a wide-range ratio for 10-speed MTB sytems. Alloy Spider Product Specifics Cassette Body Type: Shimano/SRAM 8, 9, 10 Speed Cassette Cogs: 11-13-15-18-21-24-28-32-36-40 Drivetrain Speeds: 10 Range: 11-40 Color: Silver Defined Color: Silver .
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