SRAM's XG-1290 D1 12 Speed 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.
Features & Specs:
- More gradual gear progression.
- Wider range.
- Lightweight, one-piece machined steel X-Dome design.
- Operates with XDR driver bodies.