RPM TRAXXAS UNLIMITED DESERT RACER TRAILING ARMS BLACK (box 47)The Traxxas Unlimited Desert Racer is a scale work of art with performance to match. However, RPM customers have reported the stock trailing arms are a weak link. If youre tired of bending and breaking stock trailing arms, RPM has the answer! Our Trailing Arms are hands down some of the toughest and most innovative trailing arms available. What makes RPM versions so tough? We started by increasing the wall thicknesses by roughly 40% in the damage