CLICK for more 360 videos! Hundreds of female downhill mountain bikers descended upon the Pentland Hills, just outside Edinburgh .br br CLICK for more chaos from the mountain: Outstanding riding conditions and a fast track made for one of the most amazing 'mass start' .br br br br Love Motocross? Robbie Maddison Surf a Moto Bike: The legendary motocross race Red Bull Knock Out returned after [-s-e-]ven years .