upgrading

I just wanted to tell my experience after changing the old crankset from this piece of crap and the standard Turbo chainring and crankset and pedals. JESUS! what a difference! I do not understand why I didn't do that before. I guess is because I was not sure about the components that I had to...

Upgrading batteries for ebikes a possibly complicated question, so I'm going to separate it... My objective on my ebike project isn't power or speed, but distance, without overpowering the motor or having to purchase one or two EXTRA batteries. I want to get a 350w hub kit, but the...