Snowboard Arbor Coda Rocker 2019/20 Specifications System Rocker - rocker deflection that is more pronounced in the center of the board. On the toe and heel, the rocker is reduced for maximum performance at higher speeds, arc cutting and landing. Rocker delivers an easier start to the curve, better powder riding and a smoother ride overall. American Black Walnut Power Ply - added glass fiber layer inside RAP Topless Technology - eliminates Bio Plastic Top Sheet,