Feature:1. High Torsion: 4500KV brushless motor adopts 4 extremely high torsion rotor design, which has strong torsion and stable output power.2. Good Heat Dissipation: Brushless motor adopts aluminum casing, which has strong resistive current capability and good heat dissipation.3. CNC Machining: RC brushless motor adopts CNC machining, 6061 T6 aluminum front and rear covers, high purity high temperature resistant copper coils, effectively provide high efficiency.4. Waterproof Dustproof: 4500KV brushless motor uses waterproof and dustproof components, and high accuracy bearings make the motor super durable.5. Scope of Application: 50000 RPM brushless motor is suitable for all 1/14,for 1/16 brushless RC cars.Specification:Item Type: 4500KV Brushless MotorShell Material: Aluminum AlloyColor: RedProduct Size:Approx. 28 x 40mm / 1.1 x 1.6in(Excluding Cables and Shafts)KV Value: 4500KVWatts: 600Maximum Speed: 50000Maximum Voltage: <9VMaximum Amperage: 68AShaft Diameter:Approx. 3.175mm / 0.1inShaft Length: Approx.15mm / 0.6inConnector: 3.5mm Banana PlugApplicable:For 1/16,for 1/14 RC Car Universal.Package List:1 x 4500KV Brushless Motor