SRAM Force eTap AXS XG-1270 CassetteDesigned for the next generation of drivetrainsand the next generation of riders. The SRAM Force XG 1270 cassette is optimized for electronic shifting and features our X Range gearing technology. Smooth, precise shifts, from 10T on up. X Range gearing gives you more range and a smoother gear progression, so youre always in the right gear MINI CLUSTER construction reduces weight and increases durability Designed to work with an XDR driver bodyCogs: 10