- New-gen design is Sram`s lightest ever 10-52T cassette due to the ultra-lightweight, all-aluminum Spider Cog
- Fully machined, hardened steel X-Dome architecture for gears 1-9 and an ultra-lightweight, all-aluminum Spider Cog for gears 10-12
- Full X-SYNC for best-ever inboard and outboard shifting performance under load with optimized gear steps on the low end
- 55mm chainline compatibility for more moderate chain angle, longer wear and greater precision
- Featuring a clearly marked Setup Cog, install is both simple and fool-proof
- Utilizes well accepted and broadly available XD driverbody