SRAM RED 12 SPEED CASSETTE XG-1290 10-28
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.
10-28 teeth (10,11,12,13,14,15,16,17,19,21,24,28)