The #7184 wheelie bar is completely assembled and ready to install on your 1 16 Traxxas vehicle. It is made from durable black nylon composites and features 4 height adjustments. It comes with mounting hardware and instructions. Use Traxxas stock and hop-up replacement parts to get the most out of your Traxxas RTR vehicles. This product is made from high quality materials and designed for long-lasting performance. This is replacement hardware for use on Traxxas vehicles; consult your users manual for exact parts listings.