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Sram GX / XO1 / XX1 12 Speed mileage


ct_rider
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2 hours ago, Chain-L said:

Have about 9 000km on a XO1 casette and XX1 chainring. I have been rotating three chains (2 x XO1 chains and one GX chain-which I took out of rotation, because of higher wear). I have now had a few chain drops and I am thinking of only replacing the chainring and see if that solves the problem. Should I consider getting two new XX1/XO1 chains to start with the new chainring and hope the casette is still ok, or do I just continue with the current 2x chains till the casette needs replacing?

I guess it will probably depend on the wear on the chains....and If they are still within the 0.5% then replacing with two new ones should be ok, if over 0.5 then probably to late..?
Would you agree with my logic and which DM chainring would you suggest?

 

 

If you have been replacing before 0.5% then your cassette should be fine for another chain cycle.

If you ave been running the chains over 0.5% then likely the cassette is damaged. The only way to know for sure is to replace the chains, with a new chain ring and then check for rear sprocket skipping. If it skips then save the old  drive train parts chains and cassette for winter and squeeze more life out of them that  way.

In the other thread you posted about a Chaining for a SRAM Ai crankset. The best best is a SRAM Xsync2 6mm offset DM for this crankset. Those rings last a lot longer than other brands. They did their homework on the tooth profile for this product

 

Good luck !

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I dont feel like going through the whole thread, so it has probably been answered already....

 

Is there any real difference between the sram XO1 and XX1 chains? There is a significant price difference between them, and I am almost due a new chain, so just checking if it really worth the extra R800-R1000 for the XX1 over XO1?

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1 hour ago, Chadvdw67 said:

I dont feel like going through the whole thread, so it has probably been answered already....

 

Is there any real difference between the sram XO1 and XX1 chains? There is a significant price difference between them, and I am almost due a new chain, so just checking if it really worth the extra R800-R1000 for the XX1 over XO1?

In my experience, the XX1 chains last a helluva lot longer than any other chain. More specifically, the black, gold and rainbow XX1 chains last forever; like they last 2 or 3 times as long as an X01 or lower  spec chain. I would say if you can afford it, then definitely go for it! It will save you money in the long term and it looks rad!

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On 12/6/2018 at 10:24 AM, DieselnDust said:

GX Chain : 1000km

 

TAYA Gold 12s : 300km

 

XO1: 1800km

 

XX1 : 500km and still no sign of wear. When fitted the Park Tool Chain checker wouldn't fit at 0.0% wear and it still doesn't.

 

The XO1 eagle cassette has seen all these chains and all chaines were replaced at 0.5% wear. At this point the wear is visible because the chain starts to lift off the 42T and 50T sprockets about half way around the chain wrap.

 

lesson: buy an XX1 chain. I don't know anyone who is using one that has replaced it yet. I even have on on my road bike now

 

1 hour ago, Chadvdw67 said:

I dont feel like going through the whole thread, so it has probably been answered already....

 

Is there any real difference between the sram XO1 and XX1 chains? There is a significant price difference between them, and I am almost due a new chain, so just checking if it really worth the extra R800-R1000 for the XX1 over XO1?

it seems like many others have also found a large difference between them. Like Diesel said, buy an XX1 chain; it will be exactly what I get once my current chain goes.

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My current XX1 chain has seen about 3800km and its at 0.5% wear now. It has been abused more than any previous chain though. I've ridden KarooBurn, 360one and AroudthePot with this chain (that's 242+362+160km of race condition abuse + a full XCO season and around 180km per week of training. Basically its done almost a years worth of Cape Epic training plus the Epic comparatively.

Its running on an old cassette and chainring for the winter then it comes off and the new rings, chain and low mileage cassette goes back on for summer

 

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