SRAM Rival AXS XG-1250 12-Speed Cassette Rivaling The Competition The cassette you use on your bike will directly affect your ability to climb. With a higher tooth count, you'll be able to climb easier. The SRAM Rival AXS XG-1250 12-Speed Cassette features X-Range gearing that gives riders more range and a smoother gear progression, so you're always in the right gear. It has nickel chrome plating and full pin construction for durability and lightness. Features Designed to work with an XDR driver body X-Range gearing gives riders more range and a smoother gear progression Nickel chrome plating keeps things quiet and adds durability Specifications Cassette Body Type SRAM XDRCassette Cogs10-30T, 10-36TDrivetrain Speeds12Cassette Material Aluminum Weight- | Sram | Rival Axs Xg-1250 12 Speed Cassette 10-30T, 12 Speed, Xdr, D1