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SRAM XG-1299 Eagle 12-speed Cassette 10-52T – Gold

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SRAM XG-1299 Eagle 12-speed Cassette 10-52T

Whether for prized race machines or the build of their dreams the Sram 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.

Features – Sram XX1 Eagle XG-1299 Cassette

  • Provides a massive 520-percent gear range for brutal steeps and avoiding hike-a-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 Gold Rainbow and all-new Copper.

Product features

  • Use: MTB
  • Model: XG-1299
  • Speeds: 12-speed
  • Teeth: 10-52
  • Gear Ratios: 10-12-14-16-18-21-24-28-32-36-42-52
  • Recommended Chain: Eagle chains only


  • Only compatible with XD™ Driver Body


  • machined cromoly (cog cluster)
  • aluminium (largest cog)


  • rainbow


  • 350g (manufacturer information)

Scope of delivery

  • 12-speed Eagle Cassette XG-1299 10-52T


XD™ is a cassette driver body design that allows the use of a 10-tooth small cog and provides an improved interface with the cassette.

The revolutionary machined design of the X-DOME™ cassette uses the same grueling manufacturing techniques that produced the PowerDome™ road cassette. With X-DOME™ nine of the cogs are CNC machined together out of a single block of billet steel creating an incredibly lightweight precise and strong cassette.

Eagle™ technology represents our newest 1x drivetrain technology. Eagle™ is a lighter simpler more durable and easier to use drivetrain. Eagle™ features all-new 1x components engineered for even greater durability and performance while maintaining a significant weight advantage over other drivetrain solutions. Eagle™ technology also provides an expanded gear range of 500% which is equal to 2×11 drivetrains.

X-GLIDE™2 is next generation of SRAM X-GLIDE™ technology optimized for the EAGLE™ 12-speed cassette. It provides quick precise power-on shifting performance throughout the gear range and increases chain retention on larger cogs.



Gear Range



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