Feature:1. It has waterproof performance, strong practicability, strong and durable in use.2. Precisise balanced rotor with enough smoothness for best reliability and maximum RPM.3. 4 poles hightorque motor design and CNC processed 6061 T6 aluminum billet heat sink, the motor can work for a long time.4. Highpurity copper windings with a shaft diameter of 3.175mm/0.1in can maximize efficiency.5. Made of highquality aluminum alloy and copper, it is durable and has a long service life, fit for 1/10 remote control cars.Specification:Item Type: 3650 3500KV Brushless MotorMaterial: Aluminum Alloy + CopperProduct Color: OrangeMotor Length: Approx. 50mm / 2.0inMotor Diameter: Approx. 36mm / 1.4inMotor Shaft Length: Approx. 15mm / 0.6inMotor Shaft Diameter: Approx. 3.175mm / 0.1inProduct Weight: Approx. 194g / 6.8ozWattage: 900WMaximum Voltage: <12VMaximum Amperage: 75AKv (rpm/volt): 3500KVMaximum Speed: 50000Plug Type: 4mm golden banana plugCompatible: Fit for 1/10 RC Car (such as for HSP 94123 / Hqtoys 727 / Racing 53625 53632).Package List:1 x Motor