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Visual safety valve / valve

Visual safety valve
Visual safety valve

This is a design for the bicycle air valve, there is a layer of thick rubber in the air around, can be exposed from the hole in the tire rims, in different pressure conditions, the rubber can show different colors.
Users will be more easily understood the tire pressure.

University

Zhengzhou University of Light Industry

Zhengzhou University of Light Industry
Zhengzhou, China

Gangyang Peng,
Zhengzhou University of Light Industry

Feng Gu,
Zhengzhou University of Light Industry

Weiqianzi Wu,
Zhengzhou University of Light Industry

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