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Rider’s keychain / Hexagonal screwdriver

Rider’s keychain
Rider’s keychain

next generation by pb swisstools 2008

next generation by pb swisstools 2008

There are four-size hexagonal tools for bicycle common use containing in a keychain that users can turn out the size they want. The body of the keychain can enlarge the torque for female and elders to be more easily to adjust their bikes.

University

National Yunlin University of Science and Technology

Ching Yi Wang, Fu Chun Wan, Tzu Fan Yang, Yu Liang Shih
Yunlin, Taiwan

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Design

National Yunlin University of Science and Technology

Ching Yi Wang, Fu Chun Wan, Tzu Fan Yang, Yu Liang Shih
Yunlin, Taiwan

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