GX Eagle Transmission Cassette (XS-1275)
This exceptional cassette is crucial to the unparalleled inboard and outboard shifting performance of the Eagle Transmission system, particularly under heavy load. The GX Eagle Transmission cassette employs a full X-SYNC design, ensuring that the harder yo
This exceptional cassette is crucial to the unparalleled inboard and outboard shifting performance of the Eagle Transmission system, particularly under heavy load. The GX Eagle Transmission cassette employs a full X-SYNC design, ensuring that the harder you pedal, the smoother and more precise the shifting becomes. With a chainline of 55mm, this cassette reduces extreme chain angles throughout its entire range, resulting in improved precision and extended chain durability.
The optimized 520% gear range of the GX Eagle Transmission cassette introduces larger 38 and 44-teeth cogs before the 52-tooth cog, enhancing the gear steps in the low-end range. This configuration offers superior performance compared to the Eagle drivetrain’s 10-52-tooth cassette. For effortless installation, the cassette is equipped with a clearly marked Setup Cog, making the setup process simple and foolproof.
The GX Eagle Transmission cassette utilizes a combination of Pindome design for gears 1-8 and a single-piece mini-cluster for gears 9-12. This innovative construction ensures optimal gear engagement, durability, and smooth shifting performance throughout the cassette.
Details
| Speed: | 12s T-Type |
| Gearing: | 10-52t |
| Cog Finish: | Black, Silver |
| Technology: | XS |
| Cog Sizes: | 10-52t:10,12,14,16,18,21,24,28,32,38,44,52 |
| Weight: | 445 grams (based on Engineering estimate) |
SRAM Eagle Transmission AXS Compatibility:
The SRAM GX Eagle Transmission AXS Cassette is compatible with the following:
| Frameset: | Any frame that fulfills the UDH Specification featuring a hanger-less interface can be upgraded. The SRAM UDH Bike Finder lists all UDH bikes that are compatible with Eagle Transmission. |
| Battery: | SRAM AXS Battery |
| Bottom Bracket: | SRAM DUB “Wide”:BSA73,PF89.5, PF92, PF30 MTB73, BB30 MTB73, BSA MTB68SP |
| Chain: | XX SL, XX, X0 or GX Eagle Transmission chains |
| Chainring: | XX SL, XX, X0 or GX Eagle Transmission chainring |
| Cassette: | XX SL, XX, X0 or GX Eagle Transmission cassette |
| Controller: | AXS POD Controller,AXS Pod Ultimate Controller |
| Crankset: | XX SL, XX, X0 or GX Eagle Transmission cranksets |
| Freehub: | SRAM XD compatible freehubs |
| PowerLock: | Eagle Transmission PowerLocksonly |
| Rear Derailleur: | XX SL, XX, X0 or GX Eagle Transmission rear derailleur |
SRAM Eagle Transmission is not compatible with previous-generation Eagle components. However, Eagle Transmission T-Type chainrings are backward compatible with Eagle chains, so they can be used on the current Eagle drivetrains. Non-T-Type Eagle chainrings will not work with Eagle Transmission chains.

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