Gboost, the ultralight and powerful e-bike conversion kit - so clever
Bikee Bike, Turn your bike into a powerful e-bike with the BEST ebike kit
Amazon.com : Voilamart Ebike Conversion Kit 26" Rear Wheel 48V 1000W Electric Bike Conversion Motor Kit with Intelligent Controller and PAS System for Road Bike(Without Battery) : Sports & Outdoors
This interesting 28 MPH e-bike conversion kit uses a totally new design