$65.99 electric fat bicycle Conversion Kit 36V 250W 20 24 26 inch 4.0 Tyre fat Ebike | eBay
28 inch 36V E-bike Conversion Kit For 500W Electric Bicycle Rear Wheel UK | eBay
Electric Bike 48V 1000W Snow Fat Tire eBike Conversion Kit Color Display 20-26'' | eBay
