Bionx Electric Bike Kit
Electric Bike Kits - Electric Motor Conversions for Bicycles ...
Clean Republic Hill Topper Electric Bike Kit Review | Electric Bike Report | Electric Bike, Ebikes, Electric Bicycles, E Bike, Reviews
1000w electric bike conversion kit with LCD display/geared hub motor kit /5 minutes diy electric bike kits $290~$400
1000w 48v electric bicycle conversion kit electric bike kits $100~$200
Hill Topper Electric Bike Kit, Electric Bike Batteries: Electric-Bike-Kit.com - pricey, but lets you add some power to your regular bicycle