Top 15 dirtiest crashes from Red Bull Rampage 2012

Red Bull Rampage is one of the toughest physical downhill mountain bike events in the world. We found the roughest and hardest crashes from past events, including some gnarly falls from professional athletes who show us how difficult and physical Red Bull Rampage really is. Experience the world of Red Bull like you have never seen it before. With the best action sports clips on the web and YouTube exclusive series, prepare for your stoke factor t