Tandem FMX Backflip with Josh Sheehan Red Bull Nitro Circus Challenge

Watch as one lucky fan got the chance to do a tandem backflip with FMX superstar Josh Sheehan as part of the Red Bull Nitro Circus Challenge. Check out for more information 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 to be at an all time h