Wheels (front and rear):1.0 x 0.49 inches (25.4 x 12.5mm) Tires (front and rear):2.2 x 1.0 inches (57 x 25.4mm) Electronic Control Module:ECM-2.5™ (Combo ESC, Receiver, Lighting Control*) Motor (electric):Titan® 180 87T Differential Type:Fully Locked; 2:1 Axle Ratio Chassis Structure/Material:Steel Ladder Frame with Nylon Composite Crossmembers Brake Type:Electronic “Hill Hold” Drive System:Shaft-Driven 4WD Steering:Axle-Mounted Servo Radio System:TQ™ 2.4GHz 2-Channel Transmitter Servo:#2065T Heavy-Duty Waterproof Skill Level:1 Battery Tray:50.5mm L X 31mm W *Requires accessory Pro Scale LED Light Kit, sold separately Motor Spec