Hello meet the CA520! This is a very popular model that allows for a more laid back kind of ride. This very comfortable bike comes with 7 speeds and is equipped with a 750 watt electric frictionless hub motor that will allow a rider of 170lbs to go a max speed of 20mph for 20miles on average! Best part is that it only cost 5 cents to charge our Lithium Ion batteries to do so. A convenient thumb...