Bicycle with collapsible frame has clamp connection and corresponding threaded hole located in outer joint components' section facing away from front frame section, with chain derailleur torsionally fixed to front frame section

摘要

The bicycle with a collapsible frame with a front section (1) and a rear section (3) between which is a rotatable joint connection with three joint components. The center joint component (14) is fastened to the rear frame section, and the two outer joint components (15) are fastened to the front frame section. A clamp connection (17) and corresponding threaded hole (18) are located in the outer joint components' section facing away from the front frame section, and the chain derailleur (19) is connected and torsionally fixed to the front frame section.