I’ve got an old Duncan Mondial without the o-rings. I’d like to find some new ones which shouldn’t be too hard, but I’m unsure what size I’d need. Does anyone know what size o-rings I should be looking for?
@rickbr was just on here the other day, he might have a more definitive answer, but its listed on the Museum of Yo-Yo history with a diameter of 62mm so that would be around 2 and 3/8" imperial.
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You could just take it to the hardware store and try some on for size.
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That’s the plan for this weekend! 