Ns bikes movement 2 dirt jump bikethe ns bikes movement 2 dirt jump bike has all the features you would expect in a modern pro level dirt bike and from one produced by a company with years of dirt jumping heritage designed with pro dirt jump geometry the heart of these bikes is a lightweight alloy frame featuring oversized tubes which provides stiff and responsive handling fitted with 100mm travel manitou circus sport forks youre equipped to take on those bigger jumps without worrying too