How to build a BMX super ramp w, Sebastian Keep

For more biking visit For more from Bas Keep, including the full Behind The Scenes edit, visit Go behind the scenes with Bas Keep as he lives his dream by building and then riding the biggest dirt quarter pipe ever built. Bas is joined by fellow riders and friends, Kye Forte, Dan Atherton, Ben Hennon and Ruben Alcantara as he sessions something he has dreamt about building since he was a child. Experience the world of Red Bull like you have never seen it before. With the best action sports clips on the web and original series, prepare for your stoke factor to be at an all time high. See into our world: Red Bull on Facebook: Red Bull on Twitter: Subscribe to Red Bull on Subscribe to the Red Bulletin: Sign up for our Newsletter here: