Originally Posted by deacon

First of all I have to decide what is the real max range I need on a ebike. I am not riding the bike to the next town for lunch so lets get real. I want the bike to give me a certain level of independence. They don't let me drive cars anymore because of a medical condition. Ebikes require no license insurance or registration at the moment. So it is the ideal compromise. The bike I built is in all ways satisfactory see the avatar. I also have one with a battery trailer which I am completing now.

Which also is a part of the battery equation. If you haul around three 20ah sla batteries you need an acceptable way to carry them. On the bicycle is a lousy option for me because I have had balance. I need a small bike so I don't fall mounting or dismounting. The faux trike or bike with trailer is my only option for SLA batteries. The sheer weight of them would cause the bike to fall over while I mounted or dismounted. I know this for a fact, been there done that.

So for me at least there is the expense of building a trailer. I can build a low cost trailer using the wheels from a thrift store 12" kids bike. Bike cost under ten bucks, metal about ten more. So proportion a share of the trailer cost over the life of the