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Frame lock / Frame lock

Frame lock

Bicycle is a very common means of transportation, which is combined with the bicycle rear frame and the vehicle lock.
On the basis of retaining the basic functions of the rear frame, it solves a series of problems, such as carrying car lock, and so on.

University

Jiangxi University of Finance and

Jiangxi University of Finance and
Nan Chang, China

Xingsheng Yan,
Jiangxi University of Finance

tianci zhang,
Jiangxi University of Finance