Man-made BMX super ramp - Sebastian Keep Quarter Master

#wob_ib For more amazing videos visit For more from Bas Keep, including the full Behind The Scenes edit, visit Towering at twice the height of a double decker bus, British BMX rider Bas Keep has built and ridden the biggest dirt quarter pipe ever made, which reaches 26 feet above the ground. In this clip, Bas is joined by Ben Hennon and Ruben Alcantara as they reach heights of more than 45 feet on a BMX. The project took around fou