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The SRAM Eagle XG-1299 Cassette is the ultimate choice for serious mountain bikers.
The SRAM Eagle XG-1299 Cassette is the ultimate choice for serious mountain bikers.
SRAM

SRAM Eagle XG-1299 Cassette 12-Speed - Rainbow

£453.00
Pre-Order

With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined

SRAM Eagle XG-1299 Cassette 12-Speed - Rainbow

Brand:SRAM

Code:XG1299Rainbow

The SRAM Eagle XG-1299 12-Speed Cassette is engineered for riders who demand unmatched performance, durability, and precision shifting. Designed for the XD™ Driver Body, this 10-50T cassette provides an impressive 500% gear range, eliminating the need for a front derailleur while maintaining a lightweight and efficient design. Featuring X-DOME™ architecture, this cassette is one of the strongest and most durable on the market, with an open design that improves mud clearance for consistently smooth shifting. X-GLIDE™2 technology enhances both inboard and outboard shifting, ensuring seamless transitions and improved chain retention on any terrain.

  • Wide 10-50T Gear Range – Delivers the ultimate versatility for climbing, descending, and high-speed riding.
  • X-DOME™ Construction – Provides an ultra-lightweight, one-piece design for superior strength and longevity.
  • 12-Speed Eagle™ Technology – Optimised for SRAM 1x drivetrains, ensuring smooth, precise shifting.
  • X-GLIDE™2 Shifting Performance – Enhances shift transitions and improves chain retention for better efficiency.
  • Open Design for Mud Clearance – Reduces dirt buildup, extending component lifespan and maintaining crisp shifting.
  • Compatible with XD™ Driver Body – Ensures a secure and optimised fit for high-performance drivetrains.
  • Ultra-Lightweight & Durable – Stronger and lighter than traditional 2x drivetrain setups.

Perfect for XC, trail, enduro, and all-mountain riders, the XG-1299 cassette offers the widest gear range, precise shifting, and unmatched durability in a lightweight package. Whether you’re tackling steep climbs, flowing singletrack, or technical descents, this cassette delivers flawless performance and maximum efficiency.

Technical Information
  • Speed (CS):
    12s
  • Gearing:
    10-50, 10-52t
  • Cog finish (Cassette):
    Rainbow/Gold/Copper
  • Technology (Cassette):
    XG
  • Cog sizes:
    10-50t:10,12,14,16,18,21,24,28,32,36,42,50
    10-52t:10,12,14,16,18,21,24,28,32,36,42,52
As with any product, specification is subject to change without prior notification. You are advised to confirm current specification before buying.
Sizing Information
Professional Opinion

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