LifestyleRiding High04:01This browser does not support the video element.Lifestyle05/28/2013May 28, 2013He's made his name with breathtaking stunts: German mountain biker Amir Kabbani numbers among the best freestyle riders in the world. After taking up the sport when he was 13--he's now professional and already has an array of titles under his beltCopy linkAdvertisement