• Hmm. Might not be the right place to post, but anyway. Chorus chainset (drive-side only) keeps working loose and I have to re-tighten the bolt after a couple of long-ish rides. Any ideas about where the problem might be? Have been riding this for over 18 months and has been fine, trouble started (I think) when I replace the outer ring as it was pretty worn out. Pics for context of the set up. Thanks in advance...


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