Molded from a blend of engineering grade nylons, black in color Replaces the stock Arrma #AR330249, and the Durango TD330707 Lesser movement at hinge pins for better suspension response and more consistent settings Second shock mounting hole further out on arm for lower profile suspension setup Approximately 10% lighter than stock Arrma A-arms, 1.6oz (48g) versus 1.9oz (53g) Leading and trailing 30? chamfered edges for smoother transitions over obstacles Molded in mounting points for RPM #81412 Mudguards*