The yellow gold Custom Color Carbon Fiber upper Chassis Kit is designed specifically for the Kyosho Optima Mid model. It is compatible with the electric-powered Kyosho Optima-Mid. This upper chassis kit includes one upper deck/chassis made from carbon fiber in a striking yellow gold color, enhancing both the aesthetics and performance of the vehicle. Perfect for hobbyists and enthusiasts looking to upgrade and customize their Kyosho Optima for improved durability and handling on the track. The carbon fiber material is 3k twill with an outer skin of colored fiberglass. Message with any questions before purchase. The Kyosho Optima Mid model shown with purple carbon parts installed is for illustration purposes and is not included. Color may vary slightly from photo depending on your screen. Also available in light red, dark purple, green and silver as a 5 piece kit, or silver, purple and yellow gold as an upper chassis. See our eBay store to purchase the other colors.