This TAMIYA Mini 4WD racer recreates the 2019 version of the TOYOTA GAZOO Racing WRT Yaris WRC. The model is based upon the aerodynamically advanced MA Chassis. About the MA Chassis: The MA (Midship AERO) Chassis has its motor in the center and features a design which focuses upon achieving outstanding aerodynamic performance. It has six individual low-friction rollers, a rear skid bar and other speedy features developed thanks to years of design experience. The single-piece monocoque frame also s that assembling and keeping the car well-maintained is a task that can be performed by beginners and veteran racers alike. Here, the MA chassis features a 4: 1 gear ratio.