SRAM XX SL XS1299 T-Type A1 12-Speed Cassette
SRAM XX SL XS1299 T-Type A1 12-Speed Cassette
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Specifications
- Top segment 12-Speed cassette from SRAM
- SRAM Transmission groupsets (T-Type)
- Ultimate stiffness and durability
- Extremely lightweight: 347 grams
- Precise, quiet and reliable switching
- Mounting on XD body
Description
Description
The SRAM XS-1299 XX SL T-Type A1 cassette is the top-of-the-line cassette in the SRAM Transmission series. This extremely light and stiff 12-speed cassette is designed for cross-country racers and demanding mountain bikers who do not want to compromise on shifting precision, durability, or weight. With a wide range of 10-52T and compatibility with SRAM's revolutionary T-Type AXS drivetrain, you are assured of top performance on any terrain.
Advanced technology for top performance
This cassette is built using SRAM’s X-DOME technology: a combination of CNC-machined steel and a lightweight aluminium cog for the largest cog. This gives you maximum stiffness and durability at a surprisingly low weight. Thanks to the Full X-SYNC tooth profile, the cassette delivers unparalleled chain control and shifting precision, even under full load.
Who is this cassette for?
The SRAM XS-1299 XX SL cassette is designed for dedicated cross-country racers, marathon riders, and high-end trail riders looking for the ultimate performance from their drivetrain. Pair this cassette with an XX SL T-Type derailleur and chain for the ultimate shifting system.

