Originally Posted by
Cheerfulflyer
Yes, lets say it can be disassembled, tires deflated and it fits inside LEGAL/STANDARD/APPROPRIATE (or what have you) bag. What then?
Then you'll have a mangled piece of metal (remember your 20" wheels have to be squished down to 22"x14") that isn't all that useful for riding.
TSA might deny it into the secure area on account of it being a "blunt object".