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miro_o
I have a slight 'click' on my bike when pedalling - once every rotationg of chain. It's felt as much as heard.

The bike's 10sp (Shimano 4600 mech, 5701 cassette, 6701 chain with a quick link).

Things I think are OK;
- pedals
- bb
- chain wear, quick link, stiff links
- cassette isn't worn, it's secure on freehub and the freehub is clean and not visibly damaged, it's an Ambrosio Zenith hub
- jockey wheels spin OK and have all their teeth
- chainring isn't warped or anything
- freehub seems to sound OK and I can't detect any movement - although it's not easy to put much force through to test.
Any ideas what I'm overlooking?

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Brommers in reply to @miro_o

If it's a click on every revolution of the chain, and not once every revolution of the chainring/jockeywheel/cassette/cranks then surely it must be chain related? I had a similar click when one of the side plates on the chain on my 29er was about to make a bid for freedom. I worked out what the clicking noise was when the chain fell apart halfway through a 6 hour enduro race.

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