GoolRC Accessory,Motor 45a F540 4370kv Motor With 45a Motor And 45a Set 110 1/10 Remote Car 45a Esc Combo Set Car MotorCar 45a 110waterproof MotorCombo F540 Waterproof Rookin 1/10

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