Specification:Condition: 100% Brand NewItem Type: Brushless Motor SetMaterial: Metal + Electronic ComponentsColor: Red and Black2030 Motor:Diameter: 20 mm/0.8 inLength: 30 mm/1.2 inShaft: 2.0 mm/0.1 inAxial Length: 10 mm/0.4 inConnector: 3.5mm/0.1 in25A ESC: 40x32x15 mm/1.6x1.3x0.6 in9G Servo:Limit size: 27.3x23x12 mm/1.1x0.9x0.5 inWeight: Approx. 125.0gKv (RPM/Volt): 6500kVWattage: 120WMaximum speed: 50000Maximum voltage: < 8.4VMaximum ampere: 14ANumber of rotor poles: 4 poles25A ESC?Continuous current: 25AMaximum current: 100AAdaptive motor: brushless sensorless motor1. Highway: 24XX or smaller engines, <7200 kV2. Off-road/OFF-road vehicle/Monster: engines of 24XX size or smaller at <4800 kVApplicable models: For 1/20, 1/18, 1/16 RC carResistance: 0.0014 ohmBattery: 2S lipid /4-6 battery NimhBEC output: 5.0V / 2A (simulation mode)9G metal steering gear:Model: S0009MTorque: 1.7kGF.cm under 4.8V; 1.9kGF.cm at 6V;No-load speed: 0.11s / 60° to 4.8V; 0.09s / 60° to 6V;Product weight: 13.5gWorking voltage: 4.8V 6VDC;Working frequency: 1520Hz, no 333Hz;Motor type: Core motor;Gear type: Metal gear;Compatible: Applicable for 1/18 and 1/20 brushless carPackage List:1 x 2030 Brushless Motor1 x 25A Electronic Speed Controller1 x 9G Servo3 x Servo Arm3 x Screws2 x ManualNote:1. Please allow 1?3cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.