Fenix
Fenix Tricycle Trike Conversion Kit with Plate Platform, Various Sizes & Colors (Chrome, For 20" Bikes)
AW
AW Electric Bicycle Front Wheel 24" E-Bike Conversion Kit 36V 750W Ebike Wheel Kit Thumb Throttle Hub Bicycle Conversion Motor Kit
Ktaxon
Ktaxon Electric Bike Conversion Kit, 48V 1000W Ebike Conversion Kit, 26" Front/Rear Wheel E-Bike Conversion Kits with PAS, LCD Display, Aluminum Alloy Frame and Gearless Hub Motor (Front Wheel)
Fenix
Fenix Tricycle Trike Conversion Kit Chrome, Various Sizes (For 20" Bicycles)