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Share / bike handle bar tools


this device- it can not only bring us the extra values but also can make good use of energy production during the process of riding a bike.
1.Equipping the swivel electric device on the wheels.
2.When the wheels are swiveling, the LED lights will shine in different colors according to various biking speeds.
3.This device also brings the pleasure while riding bikes and increases the sense of security and visibility to other riding bikers.


Chaoyang University of Technology

Chaoyang University of Technology
Taichung City, Taiwan

Hsin-Hui Chen,
Chaoyang University of Technology