The set includes a S2435 4800KV motor and a 25A ESC, which is perfectly fit for the 1/16 1/18 RC car. This motor is built from the best materials available, and is designed to provide both quality and performance at an affordable price. And it's with high quality aluminum alloy parts that are produced on the latest CNC milling machines. Additionally, the ESC features enhanced throttle response,excellent acceleration, strong breaks and throttle linearity.