4800KV RC S2435 4P Electric Brushless Servo ESC 2.2KG 25A Speed Controller 116 Truck Sensorless Programming Motor for Brushless Car 118

4 Pole 12 Slot Hi-torque Motor Design. : Machined 6061 T6 Billet Aluminum Heatsink Can, High Purity Copper Windings Maximizes Efficiency, High RPM ABEC5 Oversized Bearings. Universal fit, for 1:16, 1:18 2S RC racing car. balanced rotor, smoothness for best reliability and maximum RPM. Stator - Super Thin (0.35mm) Laminations.