KobraReX Posted August 21, 2018 Share Posted August 21, 2018 (edited) So the chain is HG-X 11 on XT m8000,approx 1800km ridden.Well maintained and lubed,and it started to make clicky noise. No damage on XT and no crashes. https://youtu.be/Ng9F7y4ANao Any ideas why is "dancing" and hitting the metal plate between pulleys? Edited August 22, 2018 by KobraReX Quote Link to comment Share on other sites More sharing options...
Administrators SickBiker Posted December 12, 2018 Administrators Share Posted December 12, 2018 Hm, your chain is vibrating for some reason and that's when it rubes the RD cage. The reason for that might be: worn chain and / or the cassette sprockets (check it with the measuring tool), bad chain line, worn pulleys. Did you make a lot of miles on this drivetrain? Quote Link to comment Share on other sites More sharing options...
KobraReX Posted December 12, 2018 Author Share Posted December 12, 2018 Specs are SLX M7000 with XT 8000 shadow plus with clutch.Shifting and indexing is perfect,clutch is perfect,pulleys both still in great shape,never hit and no impact on the XT whatsover,cableing all ok. So it started at 1800km,in every gear it started to rub vertically on the metal thing inside RD cage described in your videos where you wash XT mech(you replied to it also). I checked the HG-X with the chain tool and it was at 0.5 so i replaced the old chain with new KMC X11.93,old one was HG-X 501 or 701 i believe.New was shortened to 112 links as the old one was,i replaced also the 3 smallest sprockets 11t 13t 15t cause those is where i usually ride.Cassette is well tightened and it doesnt wobble at all. Here is the video at 5 second mark you can hear clicking(touching the metal thing inside the cage) https://www.youtube.com/watch?v=Ng9F7y4ANao Basically if i pedal in any gear or if its bumpy,chain bounces on the darn thing and its annoying as hell. 1800km -2000km was fine and now its started again. On the photo i used the 10 inch check chain method,0 starts at the same place(start of the pin) as the 10 Quote Link to comment Share on other sites More sharing options...
Administrators SickBiker Posted December 13, 2018 Administrators Share Posted December 13, 2018 15 hours ago, KobraReX said: if i pedal in any gear or if its bumpy,chain bounces on the darn thing Shoot, it's a difficult one... One more possible reason - the chain too long. 15 hours ago, KobraReX said: 1800km -2000km was fine and now its started again If the symptoms come after that many kilometers, it must somehow be linked to the parts wearing down. Quote Link to comment Share on other sites More sharing options...
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