Multiple fractures, a shattered femur, and broken back still won\'t stop Mountain bike innovator Aaron Chase from getting back on his bike.In this tech tip, he demos how to hit a wallride and doesn\'t forget to take the time to talk a little trash to his homeboy Kyle Strait. \n\nFor more of Aaron Chase check out \nhttp://redbullusa.com/aaronchase 4x, Aaron, Back, backwards, bike, BMX, Break, broken, bull, Chase, cross, Demos, Dirt, freestyle, how, Jumping, mountain, red, redbull, to