A bicycle frame component comprises a yoke part, a transmission side arm fixed to the yoke part, and a pivot arm coupled to the yoke part and positioned opposite to the transmission side arm. The pivot arm comprises a first part rotatably coupled to the yoke part via a first hinge, and a second part rotatably coupled to the first part via a second hinge. The pivot arm extends at a first position along the transmission side arm, and is provided with a second position. The pivot arm is composed of a first part that extends along the transmission side arm, and a second part that is rotating while far away from the transmission side arm and in interaction with the first part. A first main wheel installation part is arranged in the transmission side arm. A second main wheel installation part is arranged in the second part of the pivot arm. The pivot arm and a main wheel installation part are radially aligned at the first position.
Foldable bicycle chain stay and bicycle frame
2016-01-27
Patent
Electronic Resource
English
IPC: | B62K Fahrräder , CYCLES |