The ULAC Street Fighter Hardened Steel Combo Chain Lock is a robust security solution for cyclists, featuring a 5mm thick, 100cm long heat-treated steel chain that offers excellent resistance to cutting and tension. Its resettable combination lock provides up to 10,000 unique codes, ensuring high security. The lock is designed for convenience, with a ULAC velcro strap for easy attachment to your bike frame or seat post, or it can be folded into a backpack. A high-quality nylon sleeve protects your bike from scratches, making it a practical and reliable choice for securing your bike to fixed objects.