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SRAM road 12sp is interesting because they claim to have redesigned the chain with larger rollers than the chains most people are used to. For this reason it is entirely possible that the Ultegra chainset you currently have will work very poorly and lead to some damage. On other 12sp systems, it may work or it may shift less than perfectly but a normal (non-...


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The SRAM 12-speed chain is narrower and is not compatible with the 11-speed rings on Ultegra, it won't be taken up by the teeth. Swapping the chainrings for SRAM rings is not possible either because of the shape of the rings. and the BCD for Sram is 107mm while it's 110mm for Shimano. You could try to resell the powermeter crankset. Even if you could keep ...


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Ok, so I figured thigs out in the end. The culprit of the issues was incorrectly adjusted B-screw on the rear derailleur. Once I fixed the adjustment according to this famous Park Tool video about RD setup, the issue vanished. I needed to get the mech much closer to the cogs by moving it counter-clockwise by loosening the B-screw until the gap between the ...


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Other possible reasons for under-performing shifting: The cassette is worn and needs replacing. Usually cassettes last three chains before a replacement is needed. Chainrings normally last two cassettes. After a chain replacement indexing is quite often in need for adjustment. As said in a comment, turning the barrel adjuster on the RD one or two clicks up ...


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Looking around on pinkbike and MTBR it looks like a consistent issue with pinned eagle cassettes (like GX) and maybe the chains. I've seen folks take a light file or sand paper to an individual cog tooth. Have you already checked derailleur hanger alignment and chain line spacing (spacers at the crank?).


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I have a similar noise with my XG-1295 that's more of a loud, awful grinding sound. I get stares from random people and startle small dogs when I grind by. It's truly awful and has happened for the past year. It has stumped several bike shops. It's 100% absolutely the cassette itself, as the noise manifests when I install it on different wheels. I confirm ...


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