Conversions and Kits
For now, we can point you in the right direction. Start with the ebike forums of Endless-Sphere.com to get you up to speed, so to speak. This is by far the best resource for diy ebikes.
Electric Bike Technologies (ebikekit.com) is an excellent resource for easy to assemble conversion kits. We have put several ebike kits on various cargo bikes and tandems running around Salt Lake City and they have held up very well. Ebikekit has great customer service and stands behind their product. Tell them Blue Monkey sent you!