Electrically driven bicycle

摘要

An electrically driven bicycle includes: a driving section for driving a wheel; a battery for supplying an electric power to the driving section; and a battery case loaded with the battery and mounted onto a main frame of the bicycle, wherein the battery case is formed to have a transversal cross section that includes a recess to cover at least a part of an outer surface of the main frame, and at least a portion of the battery is inserted into an inner space on each side of the recess.