This is the Team Associated RC10B6 Factory Team Carbon Composite Laydown Gearbox and Chassis Braces. Constructed from the popular high quality Team Associated carbon composite, this optional set is intended for Team Associated RC10 platforms for added rigidity and stiffness to reduce unwanted chassis flex that will result in a more consistent and precise feel on track, making this set a great tuning option. Package includes one carbon composite laydown gearbox and chassis braces set.