SRAM Cassette PG-1231 XPLR 12 Speed 11-44Maximum range, minimum fuss. This 12-speed 11-44T cassette provides 2x range in a 1x package and fits on a traditional 11-speed driver body for broad integration. The smooth cog progression keeps jumps between cogs tightest when it’s time to go fast, with more meaningful gaps for climbing.

12-speed

400% range gives the coverage 1x riders want

Cog sizes: 11, 12, 13, 15, 17, 19, 21, 24, 28, 32, 38, 44

For use with XPLR 1x rear derailleurs

Compatible with Flattop chains

For 11-speed road driver bodies