Amazing Bike Lawn Mowers, article by Warren McLaren on Treehugger. Too funny. I believe that when I saw one of these in some old friends yard ( you know who you are), it was called, A Redneck Lawnmower.
A major goal of the new design is to offer a fully valuable bike with a great ability to be folded and stored in small spaces (cases, car trunks etc. A main feature of the design is the circular frame. It allows unusual folding.