SRAM RED XG-1290 Cassette – 12-Speed 10-33t For XDR Driver Body Rainbow D1. The SRAM RED AXS XG-1290 cassette is an integral part of the RED AXS drivetrain system. With a 10-tooth small cog and X-Range gearing it progresses fluidly and quickly through a wide range of gears. It is designed specifically for wireless electronic shifting and the one-piece design offers exceptional weight savings. The XG-1290 cassette is designed to operate with XDR driver bodies.

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