Chain making clanking grinding sound.

[bflint]

My other bike's chain will make clanking and grinding sound when the front sprocket are worn faster than the chain and rear sprocket. Can hear it just by turning the rear wheel by hand when I put rear wheel off the ground. Grinding and clanking when the chains slip slightly between tooth gap because the front sprocket and chain gaps are loose, even after I heavily oil it. No sound when riding with speed or load, but when riding really slow it will happen. Not sure if its the same problem but can use as reference.

Thanks for your insight. Will see if I can find dealer to look at it tomorrow


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