Bicycle with two pedaling modes has rotating shaft tube which is provided with pedaling mode change apparatus and rotating shaft structure with ends respectively connected to two cranks coupled to pedals

摘要

The bicycle (6) includes a rotating shaft tube (61) provided with a rotating shaft structure (3) and a pedaling mode change apparatus (9). Two cranks (7) are respectively connected to two ends of the rotating shaft structure of the rotating shaft tube arranged below a bicycle body (62) for driving the two wheels (11). Right and left pedals (8) are respectively connected to the cranks.