I think this is wrong- the chain is only ever under tension rather than being compressed and so the link will hold rather than being forced open.
True with gears but not with fixed as far as I can work out since you don't have the derailleur spring to tension the slack side of the chain.
@ffm started
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True with gears but not with fixed as far as I can work out since you don't have the derailleur spring to tension the slack side of the chain.