Whether for prized race machines or the build of their dreams, the SRAM XG-1299 12 Speed Bicycle 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, the SRAM XG-1299 12 Speed Bicycle Cassette is 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.

• Stronger riders can increase chainring size for speed, without sacrificing climbing.
• Eagle Colorsystem lets the cassette and chain express the look of the bike. Available in Black, Gold, Rainbow and all-new Copper.
• Provides a massive 520-percent gear range.
• XD Driver Body - XD is a cassette driver body design that allows use of a 10-tooth small cog and provides an improved interface with the cassette.
• X-Dome - Technology that creates an incredibly lightweight, precise, strong cassette.  The open design aids in mud clearance, giving you cleaner shifting performance and longer component life
• Eagle - Technology that represents Sram's newest 1x drivetrain technology.  Eagle is a lighter, simpler, more durable, and easier to use drivetrain.  Eagle features Sram's all-new 1x components, engineered for even greater durability and performance while maintaining a significant weight advantage over the drivetrain solutions.  Eagle technology also provides an expanded gear range of 520%, which is equal to 2x11 drivetrains. 
• Speed - 12 speed
• Gearing - 10x52t
• COG Finish - Gold
• Technology - XG
• Drivetrain Configuration - 1X
• Cassette Size (Max) - 52
• Cassette Size (Min) - 10
• Chain Technology - Eagle