http://ebiketips.road.cc/content/reviews/electric-conversion-kits/panda-m-drive-conversion-kit-1643
If you compare the cost of one of these plus a good 2nd hand bike against my pedelec you could make a saving of over a quarter grand.
If you compare the cost of one of these plus a good 2nd hand bike against my pedelec you could make a saving of over a quarter grand.