The X-DOME™ Eagle™ cassette has no peer. It buried the last dangling shred of an argument in favor of a mountain bike front derailleur. And now, it’s 10-50T gear range has open the door for an entire ecosystem of Eagle™ groupsets. Designed for use with the brand's proven, reliable XD™ driver body, this 12 spd cassette offers an optimal 500-percent gear range. In independent tests the X-Dome™ architecture is proven to yield the strongest cassette on the market. New shifting characteristics improve both inboard and outboard shifting, as well as chain retention. This cassette matches up perfectly in performance and colour to XX1 Eagle AXS™ enabled componentry.

Whether for prized race machines or the build of their dreams, the XG-1299 10-52T cassette is the ultimate, giving riders unprecedented 520-percent range. 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.

• SRAM’s cassette manufacturing technology provides the greatest durability and lightest weight
• All-new shifting features create a smoother, quieter system with enhanced inboard and outboard shift performance
• Eagle Colorsystem lets the cassette and chain express the look of the bike. Available in Rainbow and all-new Copper
• XD™ driver body compatible

Specifications

• Type: XD
• Speed: 12
• Gearing: 10-50T // 10-52T
• Cog Sizes:
  10-12-14-16-18-21-24-28-32-36-42-50T
  10-12-14-16-18-21-24-28-32-36-42-52T
• Colour: Rainbow // Copper
• Weight: 300g (10-50T) // 355g (10-52T)
• SRAM Model ID: CS-XG-1299-A2 // CS-XG-1299-B1
• Item #: 00.2418.098.000 // 00.2418.107.002 // 00.2418.107.000