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XG-1299 XX1 Eagle 12-Speed Cassette
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XG-1299 XX1 Eagle 12-Speed Cassette delivers SRAM’s lightest, most advanced performance for elite-level mountain riding
What Our Gearhead® Experts Are Saying:
"If you're building up a dream bike or chasing grams on race day, the XG-1299 is a no-brainer. It's impressively light, shifts smoother than anything else in the Eagle lineup, and the Ti Nitride finish adds just the right amount of flash and function."
The SRAM XG-1299 XX1 Eagle 12-Speed Cassette is engineered for riders who demand the best from their drivetrain. Built for Eagle setups and compatible exclusively with XD drivers, this high-end cassette features a 500–520% gear range that excels on both brutal climbs and fast-flowing descents.
CNC-machined from a single block of hardened steel, the X-Dome construction delivers SRAM’s best strength-to-weight ratio and exceptional durability. A Ti Nitride finish not only looks sharp but also sheds mud and keeps shifts clean and quiet in all conditions. Whether you're chasing podiums or just love top-tier performance, this cassette is the gold standard.
Details
- Lightest and highest-performing Eagle cassette in SRAM's lineup
- X-Dome architecture provides a strong yet lightweight structure
- Ti Nitride finish reduces friction and resists corrosion
- Available in 10–50t and 10–52t configurations for up to 520% gear range
- Designed exclusively for SRAM Eagle drivetrains and XD freehubs
- Precision-machined for smooth, quiet, and reliable shifting
- CNC-machined steel cluster with aluminum 50/52t cog for optimized performance
- Item #SRM009X
- Cog Sizes
- 10 - 50t, 10 - 52t
- Cog Material
- [cog cluster] CNC-machined cromoly, [50/52t cog] aluminum
- Freehub Type
- XD
- Claimed Weight
- 12.4oz (352g)
- Manufacturer Warranty
- 2 years
To Be The Best
SRAM is a relentless pursuit: to make the climb shorter, the trail smoother, the turn tighter, the descent faster. To create the strongest, lightest, quickest bike on earth. To be the best.
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