SRAM XG-1275 GX Eagle 12-Speed Cassette
Ride anywhere with the SRAM XG-1275, 10 to 50T GX Eagle 12-speed cassette. Its wide range provides that just-right gear so you can be fast on the flats and be in control on the climbs.




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- Dictate your own pace, anywhere, with Eagle 1x drivetrain technology that's engineered for infinite freedom
- Full pin technology uses lightweight, stamped-steel cogs held together with high-strength stainless steel pins for a cassette that's light and strong
- X-GLIDE2 improves both inboard and outboard shifting, as well as chain retention
- Open design similar to the X-DOME cassette aids in mud clearance, giving you cleaner shifting performance and longer component life
- 11 stamped steel cogs plus aluminum 50T cog
Imported.
View the SRAM Eagle Product LineView all SRAM Bike CassettesBest Use | Mountain Biking |
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Material(s) | Stamped steel |
Speeds | 12-speed |
Compatible Freehub | SRAM XD |
Weight | 450 grams |
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Love SRAM
3500 miles on mine, still shifts like new and rolls quietly. I take care to shift into the right gear before hills, if you're powering through, things can break. I have SRAM on 3 of my bikes, I like shimano too, but love SRAMs compatibility between components.
The GX cassette breaks easier than it should
I’ve been riding my replacement Cassette for a little less than two months. The first one broke, which I’m trying to warranty. I bought a second so I could at least ride. Just broke it again. Both broke on the same ring - 4th gear (4th from the 50 tooth). This is beyond ridiculous. You might be able to tell from the picture: that particular ring is thinner than the others. Welp...sending this one for warranty as well. Hare to say it, but this is my last SRAM drivetrain. Heading over to Shimano now. At least their cassette has individual rings that can be replaced.
It’s a cassette
My cassette is totally fine. I noticed some other users dragging down the score.
A+ Shifting. D+ Lifespan.
Upgrading to SRAM Eagle was one of the best upgrades I've done and the GX works fantastic. I like the one piece cassette, which some users didn't. My only complaint was the lifespan of both the GX cassette and GX chain which I was only about to get 1,200 miles out of before shifting performance deteriorated quickly and they started skipping. The chain had stretched a full link and a half in ~800 miles. I replaced both with X01 since, best I can tell from combing the internet, people report it's about 2x the cost but you get 3-5x the lifespan. We'll see...