The Shimano XT M771 10-Speed Cassette is one of the most widely ridden cassettes in the world. It's a perfect combination of top-end technology, reasonable price, and incredible durability make it a no brainer for any rider who isn't made of money. SPECS: Cassette Body Type: Shimano/SRAM 8, 9, 10 Speed Designed for ebike: Yes Drivetrain Speeds: 10 Cassette Cogs: 11-13-15-17-19-21-24-28-32-36 Range: 11-36