Is it possible to put a eletric motor on my already existing trek classic cruiser bike?

Question

if so how and where

Answer 1

yes.do what i did,go to a flee market and try to find a 3 wheeled beach cruiser,some have a little motor that sits on the front wheel and has a battery like a riding lawn mower.or go to zapbikes.com

Answer 2

'Go' hub motors are some of the Best values around.

Its an electric hub motor in the wheel.  

http://www.largoscooters.com