High rigidity 3mm 17S-grade Duralumin main chassis and resin upper deck deliver optimal roll flexibility for superior grip. 2-bevel gear differential compliments the rigid front axle for excellent performance on a wide range of surfaces. Optional front differential can also be installed. New rear hubs with 9mm pivot balls that add 2mm to the suspension arm length deliver increased grip capacity for extra racing advantage. Features adjustable rear upper arm pivot on the bulkhead side. Driving characteristics can be changed by adjusting the rate of camber change. Battery enclosed under the fuel tank contributes to the low center of gravity, centralizes mass moment and provides stable fuel flow. The eccentric cam design from the RRR is adopted into the support section of the front and rear axles with precision adjustment of belt tension also available to deliver silky-smooth running performance.