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TWO-IN-ONE / Bicycle accessories

TWO-IN-ONE
TWO-IN-ONE

Problem: Generally,removing the inner tube when people have their bicycle repaired costs mush time.
Design description: The boss of wheel of this bicycle includes two parts. Only rotating the wheel is needed to take the tube,which makes it easier and saves time.

University

Shantou University

Shantou University
Shantou, China

Jinbiao Liu,
Shantou University