OVERVIEW Is your stock HPI Baja 5B or 5B 2.0 molded rear wing showing signs of damage? Are you tired of its plain black look? Get rid of it and install our Carbon Fiber and Alloy Rear Wing. The wings are made from carbon fiber, while the side plates are cut from aluminum alloy. Hex hardware holds everything together securely, and you can choose from black, blue, red, gunmetal, silver, green, or orange anodizing.