Here is the discount code to use for the Hill Topper Electric Bike Conversion kit: lisaolson. Or, if you follow this link you will have the discount automatically loaded when you purchase on their site.Here is an article I wrote on the kit that tells you a lot more about it: Electric Bike Conversion: Easy and Economical
After reading this article, and researching all the other kits and new electric bikes, I chose the Hill Topper. Check it out and the installation video. I converted my old bike just as shown and it's performing just as advertised.
