GoolRC Accessory,Set 110 Combo F540 4370KV Car 4370KV Motor 45A ESC Waterproof Rookin 1/10 Remote Car

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