Folding wheels for a commuter!
 

I don't think I'd trust them but some might


http://www.ohgizmo.com/2008/02/04/cr...eel/#more-9328

Interesting! If it could be made light enough, you could use it in conjunction with one of those "coupler" frames. That's a small package...

Clever! Would you have to partially or fully deflate the tire each time? That's not a problem if the bike will be folded for a day or more at a time, but it's not really suitable for bike couriers.