SRAM Red 12-Speed XG-1290 E1 10-28T Cassette Apparel_Baselayer creating an optimized beam pattern

creating an optimized beam pattern for superior visibility on the trail or road

extensive wind tunnel data and the full range of wheels we tested against

A hinged bracket design allows for quick and easy install and removal

No bleach or fabric softeners

SRAM Red 12-Speed XG-1290 E1 10-28T Cassette Apparel_Baselayer creating an optimized beam patternDesigned 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;