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This design combines the lock and bicycle frame into one, with the steerer tube of the bicycle fork divided into two parts,the handlebar can rotate independently of the fork and the front wheel.When you turn the handlebar 90 degrees,it will be at the same line with the frame and wheels.
When people park their bike, then unlock the handlebar, turn it and lock it up, this saves the parking space and efficiently guard against theft, because once the thief broke the lock, the important part of the bike is also broken, which can not be ridden any more.
China University of Geosciences
Wuhan, Hubei province, China
National Taxation Bureau of Dangyan
Dangyang, Yichang, Hubei Province, China