21-07-2017 дата публикации
Номер: KR1020170085025A
Принадлежит:
Disclosed is a length adjustable bicycle frame. According to an embodiment of the present invention, the length adjustable bicycle frame comprises: a head frame having one end connected to a handle bar, and having the other end connected to a front wheel; a seat frame having one end connected to a seat, and having the other end connected to a pedal unit; a top frame for connecting the head frame and one end of the seat frame; and a down frame for connecting the head frame and the other end of the seat frame. The length of the top frame disposed between the head frame and the seat frame, the length of the down frame, or the length of any one selected from a combination thereof can be variably adjusted. A holding unit on which the top frame can be disposed can be formed at one end of the seat frame, and the down frame can be connected to the other end of the seat frame to be rotated. The top frame moves toward the holding unit to be disposed on the holding unit, and the down frame is rotated ...
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