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Reliable powerful 48v 1800w brushless electric motor & controller Max power: 1800w-2000w, Rated torque: ≥3.5-10N.m, Rotating speed: 4300-4500RPM Brushless motor is much better than brushed motor, it’s high efficiency, powerfrugal, low noise, Long lifespan, stable… Applicable to go karts, scooters, e-bike, atv, motorized bicycle, moped, mini bikes, pocket bikes, electric dirt bikes, etc. Package Contents: 1 x Motor 1 x Controller 1 x LCD Throttle Grips w. power indicator and switch 1 x 3 Speed switch 1 x T8F Chain 1x T8F Sprocket (29mm) 1x Terminal board 1x Wiring harness 1x Forward reverse switch Motor Spec.: Model: 48VDC 1800W Brushless Motor Sproket: T8F 9Teeth Rated current: 28A Max Current： 40A No-load current: ≤3.0A Rated torque: ≥3.5-10N.m Max power: 1800w-2000w Motor weight: 10.5 lbs (4.8kg) Rated rotating speed: 4300-4500RPM Controller Spec.: Rated voltage: DC 48v Current limit: 32A Rated power: 1800w Matching motor: DC Brushless motor Under Voltage Protection: 42V Why choose Brushless motor? What is the advantages of brushless motor : 1. Less electrical and electromagnetic noise 2. Long lifespan: No brushes to wear out, around triple lifespan as brushed motor 3. Low maintenance: No brushes to replace 4. Powerfrugal: Power consumption is 1/3 of brushed motor 5. High efficiency: Brushless motors are typically 85-90% efficient whereas brushed DC motors are around 75-80% efficient. inkfrog terapeak For instruction video, please refer to the below youtube video https://www.youtube.com/watch?v=APRoSdOSf0cPlease kindly check all the description and size specs before purchase to make sure it will fit your application