Bike Chain Lock

Bicycle, gate, motorcycle chain lock is a security device used to prevent bike theft. It consists of a hardened steel chain encased in a protective sleeve to resist cutting and scratching. The chain is secured with a lock, usually a key mechanism. Bicycle chain locks are versatile and can be looped around fixed objects like poles or racks, making them suitable for urban environments. While heavier than other locks, they offer excellent resistance to bolt cutters and saws.