I can't see the shock move, at all. But oh well, he might be onto something. Looks like he's some kind of bike invention person http://uk.youtube.com/watch?v=WsbOD09doRI&...ser&search=, but f**k, that's f**king fast up hill, and according to the comments it charges as he pedals too, genius, I'd love one of them, it's so fast!