Item Type: RC MotorMaterial: Aluminum Alloy, Copper, SteelWeight: Approx. 538g/18.98ozSize: Motor Diameter: 40mm/1.57in 42mm/1.65inMotor Length: 82mm/3.23in (without shaft)Shaft Diameter: 5mm/0.20inShaft Length: 20mm/0.79inGold Plated Joint: 6.5mm/0.26inModel: 4282Color: black and RedKV (RPM Volt): 2150kvOutput Power: 3400WMaximum Voltage: 23VMaximum Current: 150ANumber of Motor Poles: 4IO: 2.5AResistance (): 0.0056Maximum Speed: 50000Application: For 1/8 RC Car (for Traxxas, for Wltoys, for HSP) 14 Pole Rotor: This RC motor is designed with 4 pole rotor, which has strong twisting force and stable output power, low friction, low noise and high accuracy. 2Sturdy: This RC motor hashardness aluminum CNC case, temperature resistant copper wires, 0.2mm silicon steel sheet, which makes this motor high permeability, high silicon content, great insulation and heat resistance. 3Durable: This RC motor has explosion proof rotor, high toughness stainless steel output shaft, and accurate bearings to make the motor super durable. 4Detachable Structure: This RC motor is designed with detachable structure for easy cleaning and maintenance, which can effectively extend the life of the motor and improve efficiency. 5Temperature Sensor and Interface: This RC motor motor has built in temperature sensor and interface, which can realize motor overheating protection function when matched with ESC.