Sounds like the chain. I have a KMC D-101 that makes a similar noise, even though the chainline is perfect and it's not too tight. You might find that some lighter lube quietens it down a bit.
@Regal started
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Sounds like the chain. I have a KMC D-101 that makes a similar noise, even though the chainline is perfect and it's not too tight. You might find that some lighter lube quietens it down a bit.