The workhorse of X-Range gearing. The SRAM RED XG-1290 cassette progresses fluidly and quickly through a wider range of gears. It's specifically designed for wireless electronic shifting and the one-piece design offers you the best in weight savings.

Features:
- Designed for smooth and fast shifting
- Gradual gear progression between cogs—at least five one-tooth jumps—while still offering a wider range
- 10-tooth start helps provide a wider gearing range
- Designed to work with an XDR driver body
- One-piece machined steel X-DOME design for weight savings
- All Zipp wheels starting from 2015 are XDR ready
- Rainbow colorway available in 10-28T and 10-33T cassettes