Feature: 1. Motor and Heat Sink: 4 pole 12 slot high torque motor design and CNC processed 6061 T6 aluminum billet heat sink, the motor can work for a long time. 2. Copper Windings: High purity copper windings with a shaft diameter of 3.175mm/0.1in can maximize efficiency. 3. Precise Design: Precision design can achieve maximum energy conversion and the precisely balanced rotor can achieve the best RPM. 4. Upgraded Features: It has enhanced throttle response, excellent acceleration, strong braking and throttle linearity. 5. Application: With fine workmanship and excellent performance, the motor set fits for 1/10 RC Car. Specification: Item Type: 3650 3500KV Brushless Motor 60A ESC Set Material: Aluminum Alloy + Plastic Product Weight: Approx. 286g / 10.1oz Compatible: Fit for 1/10 RC Car Motor Parameters: Shell Material: Aluminum Alloy Product Color: Silver Black Length: Approx. 50mm / 2.0in Diameter: Approx. 36mm / 1.4in Shaft Length: Approx. 15mm / 0.6in Shaft Diameter: Approx. 3.175mm / 0.1in Wattage: 900W Maximum Current: 62A KV (RPM/Volt) : 3500KV Maximum RPM: 50000 ESC Parameters： Continuous Current: 60A Peak Current: 360A Product Applicable Battery: 2-3S Li-Po / 4-9S NiMH (not included) BEC Output: 5.8V/3A . Package List: 1 x Motor1 x ESC1 x Manual