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Bicycle mortise chain lock

source: time:2025-01-01 hot:0

Bicycle, as one of the common means of transportation in urban life, has always been concerned about its anti-theft problem. Among many anti-theft tools, bicycle mortise chain lock is widely favored because of its convenience and safety. This paper will introduce the working principle, usage and purchasing skills of mortise chain lock, hoping to help cyclists better protect their cars.

First, the working principle

Bicycle mortise chain lock is mainly composed of lock body and chain. Among them, the lock body is equipped with a complex mechanical structure-insert cores (also called marbles), and the functions of unlocking and locking are realized through the specific cooperation between the key and these insert cores. Chains are used to fix bicycles to a fixed object, such as lampposts or railings. Compared with the traditional padlock, the mortise chain lock has better prying resistance.Performance, and because of the chain made of special materials, it has high resistance even in the face of violent destruction.

Second, the method of use

1. Choose a suitable fixing point: First, you need to find a solid and reliable fixture, such as a metal fence or a specially set bicycle frame.

2. Correct chain winding method: Make sure that the chain passes through the main frame of the bicycle and forms a closed loop between the front wheel/rear wheel, and then connect the bicycle with the fixture with the chain.

3. Insert and rotate the key: rotate the key according to the direction indicated on the lock to complete the locking process; Reverse the operation to open the lock when taking it off.

Third, the purchase skills

Material selection: the chain made of high-quality stainless steel or alloy material is stronger and more durable;

Moderate length: too long will increase the risk of being cut, and it is generally recommended to choose a model between 1 meter and 1.5 meters to meet daily needs;

Lock body size: the smaller lock body is easy to carry but weak in compression resistance, and the larger lock body can provide stronger security even though it is heavier;

Brand credibility: try to buy regular products of well-known brands, and get more protection in after-sales service.

In a word, the bicycle mortise chain lock not only has excellent physical protection function, but also is very convenient to carry and store, which effectively prevents theft and brings great convenience to the majority of riders. Of course, in addition to the equipment itself, it is necessary to take corresponding measures to improve the awareness of prevention, such as avoiding parking in inaccessible places for a long time and installing GPS trackers to further strengthen security. I hope that every car owner can keep his car away from illegal infringement through rational use of various resources!


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