Tandem cycle where front biker is a hand biker and a hand crank device acts on the front wheel whilst steering device can be operated by front biker

摘要

The tandem cycle includes a hand crank device (14) for the hand biker acting on the front wheel (4) and a drive device (16) for the second cyclist with steering device (18) which can be operated by the biker sitting at the front. The hand crank device and the drive device can be chain drives with freewheels. The drive device for the second cyclist can be a pedal crank mechanism or hand crank mechanism.