1、Precision balanced rotor with high stability, can achieve the best reliability of the motor motor with 4 poles 12 slots high torque motor. 2、CNC machine tool processing billet, 6061-T6 aluminum heat sink, secondary oxidation treatment, high-end and fine appearance. 3、High purity copper coils, maximizing efficiency. 4、ABEC5 super durable sealed bearing with high rotation speed, low friction, low noise, high precision and long service life. 5、Precision waterproof motor design, maximum power conversion. Features for Motor: 1. Precision balanced rotor with high stability, can achieve the best reliability of the motor motor with 4 poles 12 slots high torque motor. 2. CNC machine tool processing billet, 6061-T6 aluminum heat sink, secondary oxidation treatment, high-end and fine appearance. 3. High purity copper coils, maximizing efficiency. 4. ABEC5 super durable sealed bearing with high rotation speed, low friction, low noise, high precision and long service life. 5. Precision waterproof motor design, maximum power conversion. 6. Universal, suitable for all 1/14, 1/16, 1/18 brushless vehicles - for multimount systems of M2.5 screws. Features for ESC: 1. Highest quality components to ensure efficient operation 2. Excellent startup, acceleration and linear features. 3. Lots of programmable items for various chassis, tires and tracks. 4. Multiple protection functions: low-voltage cut-off protection/overheating protection/throttling signal loss protection. 5. Internal timing can be easily changed to make the ESC suitable for various motors. Specification: Material: Metal and electronic components Color: As Pictures Shown Weight: Approx. 127g #Motor KV(RPM / Volt): 3600KV / 4500KV Max Current: 43A Max Power: 600W Max Voltage: <14V IO: 1.4A Polen: 4 Resistance: 0.0415 Motor Diameter: 28mm/1.1in Motor Length: 38mm/1.50in Shaft Length: 15mm/0.59in Shaft Diameter: 3.175mm/0.125in Sensor: No # ESC Constant current: 35A Power Supply: 2 - 3S Lipo / 4 - 6S NiMH BEC: 5V 1A linear switching Package List: 1 * Motor 1 * ESC 2 * Manual