Excellent Security: This universal bicycle lock offers reliable anti-theft performance. The lock and cable are well-constructed to help keep your bike secure, providing peace of mind during use. Sturdy Material: The portable bicycle lock is made of high-quality metal. The lock head is constructed from zinc alloy, and the cable is made of steel wire with a protective PVC coating. This design helps prevent scratches to your bike and provides resistance to rust and corrosion, ensuring long-lasting durability. Easy to Use: The cable lock features a key-operated locking mechanism. It includes two high-quality keys for convenient access. The design is durable and built to resist tampering. Convenient and Easy to Carry: This bicycle lock has a practical design that allows for easy disassembly and reassembly. Multiple locks can be connected together to secure more than one bike. The lock has an inner diameter of 8 cm, an outer diameter of 11.8 cm, and a thickness of 1.2 cm, making it compact and easy to transport. It can be attached to a bicycle handlebar or stored in a backpack. Wide Application: This portable bicycle lock is suitable for various bike types, including mountain bikes, road bikes, city bikes, and scooters. It is ideal for students, commuters, and cyclists.