Quote:
Originally Posted by
Pleiades
Looks to me like your chain has spent a lot of time running loose? Judging by the build up of chain lube in there I don't think the cover has been off in a while and it kind of hints at the fact that the previous owners chain maintenance regime wasn't that great? All that build up just attracts dirt and grit and ends up like grinding paste and continually rubs on the chain.
Maybe that the chain is goosed? What is the condition of the sprockets like? How much lateral and longitudinal movement is there in the chain? Worn cush drive rubbers and/or a sloppy sprocket carrier bearing can cause premature chain wear and excess lateral movement. What are they like too?
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Chain and rear sprocket only have 1000 miles-ish. I had to replace them the week after I bought it because as you suggested previous owner didn't take much care. So i reckon yes,that sprocket cover hasn't been off in a long time. Front sprocket itself looked fine.
I cleaned everything up. Checked the chain tension again and Lubed it. Checked the back wheel for bearing play. And there was the slightest bit if movement, Maybe 1mm. and I brought the bike to the garage to check tyre pressure and they were both low. Front 27, back 27. So I filled them to 31 & 33psi respectively. I'm hoping this and the bearing play will resolve /explain the issue.
Thanks as always for the help
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