SRAM XG-1299 Eagle Cassette 12-speed rainbow

Whether for prized race machines or the build of their dreams, the XG-1299 cassette is the ultimate, giving riders unprecedented 520-percent range thanks to the new 10-52 tooth-span. Stronger racers are now free to choose larger chainrings for more top-end speed, without sacrificing climbing range. More time is spent higher up in the cassette where athletes power transfer is most efficient and wear is minimized. Featuring the industry’s strongest X-Dome architecture and proven XD driver body, it’s also backwards compatible to give riders even more Eagle upgrade options for their current bikes. With multiple Olympic, World Cup and World Championship titles, it also matches up perfectly to XX1 Eagle AXS enabled componentry. The XG-1299 cassette utilizes the full depth of the new Eagle Colorsystem. Available in Black to Gold to Rainbow and all-new Copper, the XG-1299 cassette completes the expression of the worlds most accomplished and sought after bikes.

XD-drive body
XD is a new cartridge drive body design that can use a small 10 tooth pinion to improve contact with the cartridge.

X-DOME
X-DOME technology creates an incredibly lightweight, precise and strong cassette. The open design aids in mud clearance, giving you cleaner shifting performance and longer component life.