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Wind Tunnel Bell / Bicycle alarm bell

Wind Tunnel Bell
Wind Tunnel Bell

Wind Tunnel bell is a bicycle alarm bell , it produce the whistle sound by the wind tunnel effect, the user can use different whistle sound or bell according to different road conditions. Especially the 90-degree axis seat which can turn the sound off but can keep the bell function.


National Cheng Kung University

National Cheng Kung University
Tainan City, Taiwan

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Chang Yu Pan

Chang Yu Pan
Kaohsiung county, Taiwan