I am after a battery powered kit to add to my pedal bike. I need exercise from a bike, was getting it from a stationary bike at a health club, but don't want to risk getting sick from others with less of a concern than I. I got a bad ankle and don't want to get stranded on a standard pedal bike, or have to deal with a big head wind. So, I have a good doner mountain bike that I can put road tires on. It has front suspension. There are kits on youtube that look very promising. Complete kits, where you replace the rear hub for one that has the motor built in. There are other kits with hubs for the front wheel, bottom bracket and who kows where else. Is there a thread already started in ADV, or does anyone have any personal knowledge on this topic? Hope is to use the e-powered bike to and from work, 7 miles one way on level ground, to get my 68 year old ass back in shape. Thanks.