High Security Against Theft: Made of high-strength zinc alloy lock head. The lock core and key utilize advanced technology. High toughness of the lock body. Strong and durable, no corrosion and no rust. High-Performance Materials: Thickened steel bicycle cable lock with high-strength zinc alloy lock head. The covered lock body helps prevent scratches on the frame and provides a softer, more comfortable feel. Easy to Carry: Net weight 240g, approximately 12cm in diameter and 14cm in height, compact and portable. Can be stored in a backpack or hung on a bicycle for convenient use. Easy Disassembly and Assembly: Steel cables on both sides of the lock core can be disassembled and combined as needed. Multiple cable locks can be connected together for extended use. Wide Application: Steel cable lock suitable for bicycles, mountain bikes, scooters, racing bikes, city bikes, and MTB. Ideal for securing bikes quickly and conveniently.