I've never used an oval chainring but I don't think there is any difference in chain tension - half the teeth on the chainring are engaged with the chain at a time whether the chainring is oval or round.
Bike homeopathy seems popular though, even without gears
@psg1ben started
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I've never used an oval chainring but I don't think there is any difference in chain tension - half the teeth on the chainring are engaged with the chain at a time whether the chainring is oval or round.