GoolRC Upgrade Fluid F540 4370KV Brushless Motor with 45A ESC Combo Set for 110 Car Truck

4 pole 12 slot high-torque motor design;Precision engineered for maximum energy conversion;Precision balanced rotor,smoothness for best reliability and maximum RPM;Mutiple conservation features: Low voltage cut-off conservation, over-heat conservation, throttle signal loss conservation;Suit for 1/10 scale car