SUN BICYCLES
Sun Bicycles Trike Hub Conversion Kit
Fenix
Fenix Tricycle Trike Conversion Kit Chrome, Various Sizes (For 20" Bicycles)
Lowrider
Lowrider Trike Conversion Kit 5/8" axle & Fixed Sprocket 505 Chrome.
AW
AW Electric Bicycle Front Wheel 24" E-Bike Conversion Kit 36V 750W Ebike Wheel Kit Thumb Throttle Hub Bicycle Conversion Motor Kit