I think my dear friends i have something for you. This is my design study for entering in a french design school. And it particullary sounds like a space bike ! here are some sketches: the building of the bike, let start by making some fun wheels: then comes the frame: here are some pictures from the finished project: some extras: and how it rides: (sorry for the music, i didn't made the video) http://www.youtube.com/watch?v=p5L516sY54A The forms of this bike are under an international copyright protected. hope you enjoy it ! I will make some other in the same spirit soon.