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 resists cutting and tensile forces. Its resettable combination lock offers up to 10,000 unique combinations, ensuring high security. The lock is designed for convenience, with a ULAC velcro for easy attachment to your bike or storage in a backpack. A durable nylon sleeve protects your bike from scratches, making it a practical choice for everyday use.