Maximum range, minimum fuss. This 12-speed 11-44T cassette offers a wide range and fits a traditional 11-speed cassette body for broad integration. The smooth transitions between the cogs ensure you're always in the right gear. 12 Speed 400% range Also suitable for 11-Speed cassette bodies Maximum range with the XPLR 12 speed 11-44T cassette, made from aluminum. It is a 12 speed cassette but is compatible with SRAM's 11-speed body. 12 speed 400% range For use with 1x XPLR rear derailleurs 11-44t: 11-12-13-15-17-19-21-24-28-32-38-44 Compatible with Flattop chain SRAM Article number: 733394 EAN code: 710845886164 Supplier number: 00.2418.132.001 Retail packaging: Yes