- Designed for smooth and fast shifting
- Gradual gear progression between cogs + at least five one-tooth jumps on 10-28T, 10-30T and 10-33T cassettes + 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
- SRAM Model ID• CS-XG-1290-E1
- XG-1290 E1
- Cassette
- Speed: 12
- Range: 10-28T, 10-30T, 10-33T, 10-36T
- Finish: Silver, Silver
- Cassette Freehub Compatibility: XD-R
- Cassette Spider Material: Steel
- Cassette Technology: X-Dome
- Cog Material: Steel
