Automotive
as long as the high center of gravity doesn't cause a tip over, everything's going to be cool.
It’s a 6.5-inch suspension travel gravity buggy made of chromoly, which he takes out between two to 12 runs a day, three of four days a week.
This season at Whistler, he went through four sets of four wheels, four sets of four tires, two pair of handlebars, eight sets of brake pads, 10 pairs of gloves, a couple helmets, three jerseys, some pants, two kidney belts
http://www.pinkbike.com/news/whistler-four-wheel-fury-stacy-kohut-video-2016.html
http://www.redbull.com/us/en/bike/stories/1331832624347/four-wheel-mountain-bike-stacy-kohut