When trials riders like Danny MacAskill hop onto their specially-modified mountain bikes and take to the streets, something amazing and magical happens. Time seems to slow, gravity fades away, and the incredible riders maneuver over and across some truly unbelievable urban terrain.
Just so no one thinks it's the machine doing the work, Trials Rider Martyn Ashton took a highly-specialized bike designed for a very different purpose: Winning the Tour de France. With one of the carbon road bike used by Team Sky's Bradley Wiggins-this year's Tour winner-Ashton strings together a series of tricks that have to be seen to be believed.
So don't take my word, see for yourself: