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 2012 are XDR ready
SPECIFICATIONS
Speed (CS) 12s
Gearing 10-26t, 10-28t, 10-33t
Cog finish (Cassette) Rainbow, Silver
Technology (Cassette) XG
Cog sizes
10-26t;10,11,12,13,14,15,16,17,19,21,23,26
10-28t;10,11,12,13,14,15,16,17,19,21,24,28
10-33t;10,11,12,13,14,15,17,19,21,24,28,33