What frame is ?

Frame equivalent to the human Electric Bicycles skeleton , with the frame to put on a variety of bicycle parts . A frame made ​​of iron , aluminum and other materials, according to the angle of the length of the pipe , etc. affect the characteristics of the overall configuration of the Electric Tricycle bicycle . For example , a good bike ride straight , easy to turn the bike , comfortable riding bicycles , many of these factors are decided from the frame.