They say there is a fine line between sanity and madness, and apparently this bar is located in the mountains of Sedona, in Arizona, USA. The 'white line' is famous in the world of extreme mountain biking. This is a very scary ride on an almost vertical cliff, that requires incredible balance, concentration and fortitude for whatever the attempt. The rider in this video, Mikal Kolmpek, He said that the spiritual balance was the biggest challenge, as he was sure of his abilities as a rider. Blocked every terrifying thought and focused on the trail.