The Hobbywing Ezrun Max6 G2 ESC & 4990SD 1650KV Motor Combo 38010803 is a high-performance brushless motor and ESC combo designed for RC vehicles. The combo includes the Ezrun Max6 G2 ESC and the 4990SD 1650KV motor, providing powerful and efficient performance. The ESC is sensorless and the motor has a KV rating of 1650, making it suitable for a wide range of RC applications. Whether you're into racing or bashing, this combo is sure to deliver the power and speed you need for an exhilarating RC experience.