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
| Cassette Freehub Compatibility |
XD-R |
| Cog Details |
101112131415171921242730 |
| Cassette Spider Mat. |
Steel |
| Cassette Technology |
X-Dome |
| Range |
10-30T |
| Cog Material |
Steel |
| Finish |
Silver |
| Speed |
12 |
