Many battery powered bicycles use crank drive motors, which also called mid drive motors. They directly power the crank drive, and usually work in concert with your gears. Crank drive motors tend to be more about smooth and efficient performance

This problem is very common on battery powered bikes. The first factor is the battery that must be mentioned. The normal operation of the battery requires a suitable working environment. The general optimum temperature is 25¡ãC. When the temperature drops