EzRun SL 4985 1650kV Brushless Sensorless Motor
Features:

4 pole rotor for high torque, fast acceleration response power output.
Special technology for temperature control implemented by this motor guarantees less heat more efficiency.
CNC Machined aluminum housing, high purity copper windings, advanced rotor structure, 0.2mm silicon steel laminations.
High quality stainless steel output shaft, High precision bearings for high durability and smoothness
Temperature sensor port provides all-round protection to the power system.
Specifications:

Weight: 587g
Lenght: 86.5mm
Lipo: 3-6s