SRAM Red 12-Speed XG-1290 E1 10-28T Cassette

Designed for smooth and fast shifting Gradual gear progression between cogs — at least five one-tooth jumps on 10-28T — 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 Specifications Speed (CS): 12s Gearing: 10-28t Cog finish (Cassette): Silver Technology (Cassette): XG Cog sizes: 10-28t;10,11,12,13,14,15,16,17,19,21,24,28 Weight (g): 180 Weight Based On: XG1290 10-28