Hacking bicycles is a common theme of YouTube channel The Q; he's the guy behind the Icycle, that ice-riding bicycle with sawmill blades for wheels. In this video, he DIYs a pair of airless bicycle tires using PVC pipe, lots of fasteners and plenty of patience.
The video concludes with the riding results:
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I'd have liked to see these pushed to the point of failure, just to see what that looks like. Do you reckon individual rings would just shatter, thus weakening the ones around them and setting up a domino effect?