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. Features: High-torque and high-efficiency High purity copper windings maximizes efficiency Precision engineered for maximum energy conversion Precision balanced rotor, smoothness for best reliability and maximum RPM Low heat production, long lifetime, strong overload protection. Super smooth and accurate throttle linearity Fast response to throttle input Mutiple protection Features: Low voltage cut-off protection for lithium or nickel battery, Over-heat protection, Throttle signal loss protection, Motor blocked protection Motor Specifications: Brand: GoolRC KV(RPM/Volt): 4800KV Max RPM: 60000 Max Current: 24A Max Voltage: