The Ultra-Efficient MA Chassis The MA (Midship AERO) Chassis has its engine inside center, and features a design which focuses upon attaining outstanding aerodynamic performance. This has six specific low-friction rollers, a rear skid club along with other fast features developed as a result of years of design experience. The single-piece monocoque frame also guarantees that assembling and maintaining the vehicle well-maintained is a task that may be done by novices and veteran racers alike. Here, the MA chassis features a 4:1 gear ratio. SpecificationsLength: 156mmWidth: 97mmHeight: 48mmIncludes double shaft motorPolycarbonate-ABS human anatomy (smoke)MA Chassis = tough Polycarbonate-ABS (black colored), A parts = low friction resin (yellow)Super hard and large-diameter slick tires (black/yellow pinstripe)4 talked wheels (Deep black colored plated)Gear ratio 4:1Includes metallic stickersEasy snap-together construction individually Required ItemsR6/AA/UM3 batteries (x2)