How to convert your Bicycle to an Electric Bicycle – Pedal Power is an amazing resource

“It's
a very simple process that can be done in under an hour, no soldering required.
Everything just plugs into the controller and you are ready to go. The major
benefit is that you can really customise your e-bike and save some huge money
versus commercial offerings. You can choose from many different kits or mix and
match to get the perfect battery, motor and controller for your speed, range