$64.99 Electric Bicycle E-BIKE Conversion Kit QiROLL Friction Drive QR-E PRO+H70 | eBay
Ebike Kit 1500W 48V electric bicycle conversion kit & triangle battery 48V 20Ah | eBay
36V 750W 20/ 24 Front Fat Tire Electric Bike eBike Conversion Kit w/Motor | eBay
