Was doing a cleanout of my email and I found this link.  It's a little old but I'm posting for the sake of those who haven't seen it.  It's a guy called Jason Pullen who does incredible stunts on a sportster.  Check it out:

 

That guys a freak. Id love to have bike control on the back wheel like that.

nice

this1 always trips me out www.ricks-motorcycles.de/movies/E_Streetfighter.htm