Electric BMX Bike

I KNOW ALMOST NOTHING ABOUT THE BIKE! I ONLY MADE THE VIDEO! DON'T ASK ME QUESTIONS. SPEND 30 SECONDS ON GOOGLE AND FIND OUT. Electric Diamondback Joker. 1kW motor running at 2kW. This is the kit we are runnning: http://leafbike.com/products/diy-bike-conversion-kit/20-inch-electric-hub-motor-kit/newest-version-20-inch-48v-1000w-rear-hub-motor-bike-conversion-kit-907.html Using the front wheel kit on the rear of bmx so there's no sprocket.