What happens when the world's best bike riders get all jacked up on Red Bull? Sugary syrup aside, the sport of mountain biking wouldn't be where it is today without the rider and event sponsorship that Red Bull provide. Relive some of 2017's mountain biking highlights from World Cups to Rampage, a slathering of slopestyle stunts to get you stoked and some BMX and 'road' to broaden our horizons.