To be clear, I had help assembling it. She made sure the frame was full of air. Nothing worse than riding on a deflated steel frame!
This mode is AMAZING for working on the bike. The Cetma is just impossible to work on comfortably, it's too heavy to flip upside-down and bike stands aren't designed for long johns.
@Andres4NY now you got me picturing a bike with an inflatable frame that gets sufficiently rigid under significant pressure

@dx Oh you mean blo-moly?

(It didn't take me an hour to come up with that, I swear - I meant to toot it much earlier but had to put kids to bed)