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Gear lock is a lock coming with bike.It combines with the bicycle drivetrain,hides inside the domain bike.The bike is locked through a fixed gear.When you get off just squat body gently and twist the key,then there are no security concerns for the bike, you can be assured to leave.It eliminates the need to buy another lock,prevent various inconvenience.The whole model is derived from a cyclist, extracting the feature, full of vitality and dynamism, moreover, the shape is elegant and lovely.
Jian luo Qiumei Huang