Hobbywing 30405001 - Motor XeRun 4274SD G3 2250kV TruckHobbywing XeRun 4274SD G3 2250kV Truck Truggy Brushless Sensored Motor 1 8th scale brushless power system with the implementation of a pure signal sensor mode circuit. Built in intelligent integrated circuit is used so the sensor unit can easily be identified by the ESC when pairing with Hobbywing's XeRun XR8 series of ESC's the motor will operate in Pure Sensored mode at all times, providing a better performance and a smoother throttle response. 1 8