Skatecycle , Rock Skate board,Skate cycle , Wheel board 1)Aluminum body 2 ... footboards sitting inside the two 9-inch, polyurethane, hubless wheels that are connected by a double-jointed, twisting axle ... and maintain momentum on flat ground. Skatecycle , Rock Skate board,Skate cycle , Wheel board,two wheel cycle Measures 32 ... is most fun in an area ride or skate park where you can carve and propel on ...