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We can easily encounter bicycles using electric energy or other powers. But we cannot find the bicycle that makes it's own energy. So, we designed the bicycle that can store energy it makes by using spring.
s2 bike can be stored in the mainspring in the frame of the bicycle pedaling power, is used as auxiliary energy the user needs. This is the interpretation of the analog-house power generation bike.
Catholic University of Deagu
Department of Inderstrial Design
Gyeong-san, South Korea