Brushless DC motors also have a stationary stator and rotating rotor but make use of a method of sensors and magnets instead of brushes. This implies that there is no Make contact with between the two parts, removing any friction and expanding the motor’s lifespan. Chain drive motors are https://www.electricscooter.ltd/cheap-china-15000w-electric-scooters-for-adults-with-hydraulic-brakes/