12-speed, steel, suitable for XDR freehub body, nickel chrome-plated, silver, weight: 412 g Number of teeth 10, 11, 13, 15, 17, 19, 21, 24, 28, 32, 38, 44 Item type Freehub body XDR Large sprocket 44 T. Main color silver Small sprocket 10 T. Sprocket changeable no System compatibility 12-speed The 440% range of the SRAM XPLR XG1251 cassette ensures smooth shifting on rough climbs, and tight jumps when it's time to accelerate hard on the asphalt. The shifting functions on each cog are optimized for electronic shifting.X-Range technology offers a wider range and smooth shifting performance440% range, ideal for 1x gravel set-upsFor use with XPLR 1x rear derailleursCompatible with Flattop chainsCompatible with XDR driver bodyMINI CLUSTER technology for light weight and durability10-44t:10,11,13,15,17,19,21,24,28,32,38,44Sram Article number: 727003 EAN code: 710845869006 Supplier number: 00.2418.119.000 Retail packaging: Yes