The Ultra-Efficient MA Chassis The MA (Midship AERO) Chassis has its engine in to the center, and features a design which concentrates upon attaining outstanding aerodynamic performance. It offers six particular low-friction rollers, a rear skid club with fast features developed because of several years of design experience. The single-piece monocoque framework furthermore guarantees that assembling and maintaining the automobile well-maintained is an activity you can certainly do by novices and veteran racers alike. The next, the MA chassis features a 3.5:1 gear ratio. Specs Length: 156mm Width: 97mm Height: 45mm Includes Torque-Tuned 2 motor PRO Simple snap-together assemblySeparately needed ItemsR6/AA/UM3 batteries (x2)