I have Amoeba bars like that, with 5mm wall thickness. You need a skinny plug. I'm sure if you ask enough shops you'll track 'em down or try measuring the diameter and just look around for something to match.
@hippy started
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I have Amoeba bars like that, with 5mm wall thickness. You need a skinny plug. I'm sure if you ask enough shops you'll track 'em down or try measuring the diameter and just look around for something to match.