磁锁又称磁性锁,利用磁性同极相排异极相吸的原理在锁体内加入磁性弹珠来开启锁,比普通锁更安全[来源请求]机车上常见的设计,但某些业者尽是在原本的锁上另盖上外盖式磁锁,只要稍施外力即可拆下,缺乏实际的保护作用。

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