SRAM Red Cassette XG-1290 E1 12-Speed 10-30T Wheel Size_700c Made of engineered resins

Made of engineered resins

BREATHABLE MICROFIBER UPPER

For use with resin or metal pads

Chondroitin

the challenge was how to consistently melt

SRAM Red Cassette XG-1290 E1 12-Speed 10-30T Wheel Size_700c Made of engineered resinsDesigned for smooth and fast shifting Gradual gear progression between cogs at least five one tooth jumps on 10 30T 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 30t Cog finish (Cassette): Silver Technology (Cassette): XG Cog sizes: 10, 11, 12, 13, 14, 15, 17, 19, 21, 24,