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X01 eagle vs. GX eagle bermslapper69 Posts 223 Joined 10/8/2018 Location Hampton, NH US bermslapper69 4/5/2021 - 7:01pm 4/5/2021 - 7:01pm Have had GX eagle on my bike the past couple seasons and want to ditch it (been thru 3 derailleurs, 3 cassettes, 2 cranks, many a chain) and wanna know how X01 stacks up comparatively. Everything I've heard online makes it seem like X0 is miles ahead of GX in durability and performance. Is it worth sticking with sram and upgrading to X0 or does it make more sense to just swap my freehub and slap on some tried and true shimano 11 speed. Save |

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D(C) Posts 39 Joined 5/15/2013 Location CA D(C) 4/5/2021 9:25pm 4/5/2021 9:25pm I had an X01 Eagle derailleur last me 2 years without issue. In contrast, I went through a GX Eagle derailleur in 6 months before it developed play and lost shift quality. The X01 Eagle chain also last far longer than GX. The GX Eagle cassette, cranks and shifter seemed solid to me. What issues were you having with those? 1 Save

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nskerb Posts 263 Joined 3/3/2020 Location Kelso, WA US nskerb 4/5/2021 10:13pm 4/5/2021 10:13pm Dude, there is absolutely no reason you should be going through more than 1 cassette a year, let alone 3 in 2 years under any circumstances. Unless you are some type of elite ultra athlete burning down thousand mile months with close to zero maintenance, that is simply not reasonable. And for “been thru 2 cranks” what does that even mean? If you have materially damaged your GX crankset in a method that does not involve dropping them off a cliff, I’ll gladly eat the damaged set. I like shimano over sram, but there is no way any of what you said is remotely close to true under nearly any circumstance. 3 3 Save

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D(C) Posts 39 Joined 5/15/2013 Location CA D(C) 4/6/2021 8:07am 4/6/2021 8:07am Maybe you’ve seen this, but this has some good info on long term durability of the two group sets: https://bikepacking.com/gear/sram-eagle-review/ 1 Save

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bermslapper69 Posts 223 Joined 10/8/2018 Location Hampton, NH US bermslapper69 4/6/2021 9:56am 4/6/2021 9:56am

nskerb wrote: Dude, there is absolutely no reason you should be going through more than 1 cassette a year, let alone 3 in 2 years under any circumstances... Dude, there is absolutely no reason you should be going through more than 1 cassette a year, let alone 3 in 2 years under any circumstances. Unless you are some type of elite ultra athlete burning down thousand mile months with close to zero maintenance, that is simply not reasonable. And for “been thru 2 cranks” what does that even mean? If you have materially damaged your GX crankset in a method that does not involve dropping them off a cliff, I’ll gladly eat the damaged set. I like shimano over sram, but there is no way any of what you said is remotely close to true under nearly any circumstance.

Dude, I’ve had problems with teeth breaking on GX cassettes (10-50 version) which is why I’ve had to replace them. Cranks I’ve only swapped because I’ve tried different lengths so I haven’t technically gone through 2 cranks, I was just looking at what I have sitting off the bike. Thanks for addressing my original question though! Save

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JVP Posts 115 Joined 4/20/2016 Location Seattle, WA US JVP 4/9/2021 3:25pm 4/9/2021 3:25pm I've abused a bunch of GX and XO1 Eagle bits. I'm pretty hard on gear, smash a lot of rocks. Derailleur: The X01 is more durable than GX. That said, there's a hack! The biggest problem with the current GX der is the B-bolt. It's metal-on-metal with the derailleur body and this interface wears down over time, getting that play people complain about. For about $30 you can readily buy the X01 B-bolt, and it's a direct swap into the GX. Just don't wait until the metal is worn down, do it early on or the derailleur body itself will be worn. I'm not sure what SRAM was thinking with the GX B-bolt on an otherwise excellent product. Cassettes: both the GX and X01 cassettes are beautiful things and last longer than Shimano equivalents from what I've seen and heard. They better, as they're also more $$. X01 lasts friggin forever before wearing out, as long as you don't spend tons of time in the big aluminum cog. It's crazy light, durable, and bloody expensive. Maybe worth it for most people if you keep your bikes a long time and can drop the $$. Since you're snapping a lot of GX teeth on the big cog, I'd stick with GX since the big cog is steel. X01 and anything not-a-boat-anchor from Shimano will be more fragile in that one regard. I've had big-cog teeth break off on X01. Honestly, I just keep running them, it's shifted just fine with a hockey player smile. Consider having the LBS or online retailer where you bought it contact SRAM, if your stuff is reasonably new they'll take care of you. I always bring my LBS a sixer when this hack warranties stuff. SRAM is good about warranty, but you have to go through a shop. 1 Save

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D(C) Posts 39 Joined 5/15/2013 Location CA D(C) 4/10/2021 10:10pm 4/10/2021 10:10pm

JVP wrote: I've abused a bunch of GX and XO1 Eagle bits. I'm pretty hard on gear, smash a lot of rocks. Derailleur: The X01 is more durable... I've abused a bunch of GX and XO1 Eagle bits. I'm pretty hard on gear, smash a lot of rocks. Derailleur: The X01 is more durable than GX. That said, there's a hack! The biggest problem with the current GX der is the B-bolt. It's metal-on-metal with the derailleur body and this interface wears down over time, getting that play people complain about. For about $30 you can readily buy the X01 B-bolt, and it's a direct swap into the GX. Just don't wait until the metal is worn down, do it early on or the derailleur body itself will be worn. I'm not sure what SRAM was thinking with the GX B-bolt on an otherwise excellent product. Cassettes: both the GX and X01 cassettes are beautiful things and last longer than Shimano equivalents from what I've seen and heard. They better, as they're also more $$. X01 lasts friggin forever before wearing out, as long as you don't spend tons of time in the big aluminum cog. It's crazy light, durable, and bloody expensive. Maybe worth it for most people if you keep your bikes a long time and can drop the $$. Since you're snapping a lot of GX teeth on the big cog, I'd stick with GX since the big cog is steel. X01 and anything not-a-boat-anchor from Shimano will be more fragile in that one regard. I've had big-cog teeth break off on X01. Honestly, I just keep running them, it's shifted just fine with a hockey player smile. Consider having the LBS or online retailer where you bought it contact SRAM, if your stuff is reasonably new they'll take care of you. I always bring my LBS a sixer when this hack warranties stuff. SRAM is good about warranty, but you have to go through a shop.

The GX Eagle big cog is aluminum, not steel. The 11 speed GX cassette was fully steel. 2 Save

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valmiles Posts 1 Joined 7/4/2023 Location US valmiles 7/4/2023 12:19pm 7/4/2023 12:19pm

I have been riding Shimano for years on a road bike. Works well if dialed in properly. After switching to MTB 6 years ago, had bikes with SRAM GX until recently. I liked it and had at times spirited arguments with my ride buddy who claimed Sgimano is better, better quality, etc.. After upgrading to X01, had nothing but problems. Chain broke on a ride (first time in my life), then found a tooth broken on the cassette, the pesky 52T cog. The rest of the cassette is machined out of a single piece of steel. The 52t cog is riveted to it and appears to be aluminum. My guess the force of the chain getting on and off the 52T cog is too great because of a jump from the 42t-52t, the material choice or the heat treatment may be inadequate to handle it. Have seen many MTBers having this issue with X01. Just google "X01 cassette broke". SRAM stated that cassette is not covered by their 2-year warranty because it is a wear item. I guess that would exclude the entire groupset. So, no warranty from the manufacturer. In summary would say that X01 is a lot more expensive than XG and a lot less durable. It is .3lb lighter, however.

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mfoga Posts 528 Joined 9/21/2015 Location Moreno Valley, CA US mfoga 7/4/2023 8:51pm 7/4/2023 8:51pm

That many issues make we wonder if the chain is right length and if the RD is setup correctly. I have had X01, GX, XT, SLX and only issues are either due damage to a crash or improper setup or something being loose.

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D(C) Posts 39 Joined 5/15/2013 Location CA D(C) 7/5/2023 8:05am 7/5/2023 8:05am

I had a tooth break off the big cog on an XX1 Eagle cassette and it was replaced under warranty. Warranty is certainly worth a try.

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