Hobbywing 120A ESC Rocket 540 Motor Sensored Brushless Combo for 1/10 RC Car. SKyRC Cheetah 60A Sensored ESC 8.5T 4000KV/ Brushless Motor for 1/10 1/12 RC Car. Pole-4 rotor design, with strong torque and stable output power, Removable/Replaceable Rotor design, Convenient for cleaning and maintenance.