Bi-directional drive for bicycle has additional drive unit on one side of bicycle frame in form of diverting transmission consisting of drive gear and driven gear

摘要

The drive is on the bicycle which has an additional drive unit on one side of its frame in the form of a diverging transmission, consisting of the drive gear (1) and the driven gear (2). The chain may run from the pedal bearing (3) to the drive wheel. Running on from the driven gear, the chain goes to the gear crown on the rear wheel hub (4).