3650 3900kV 500-600 Size Brushless Motor Upgrade RC Cars, Boats

3650 3900kV 500-600 Size Brushless Motor Upgrade Ideal For Model Boats and Cars! This motor is a fantastic upgrade from brushed to brushless for very fast speeds! Replace your 500-600 size brushed motor with this. Suitable for 1/10th, 1/8th scale RC cars   Key Features 4-pole design for high torque and fast response CNC machined, high-strength aluminium housing for optimum heat dissipation Motor winding made of pure, double insulated copper wire Precision ball bearing for optimal running smoothness and extended service life Highly flexible silicone connection cable with soldered 4mm plugs High strength and polished steel 3.17mm rotor shaft 3.175mm/5mm Shaft Diameter   3650-3900kv Specifications: Watts: 900W Max voltage: ≤13V Max Amps: 69A Rotor Poles: 4 KV(RPM/Volt): 3900KV Max RPM: 50000 Diameter: 36mm Length: 50mm Shaft length: 15mm Length of Extend Shaft: 15mm Outer Shaft diameter: 3.175mm Plug type: 4mm golden banana plug Cable Length: 290mm