- Durable steel cable lock: made of high-strength, thickened braided steel wire that can withstand a tensile force of 2.4 kN and a shear force of 7 kN, providing strong performance and flexibility. The cylinder is zinc alloy, making it impact- and break-proof and theft-resistant. A protective vinyl coating (PVC) helps prevent water exposure, corrosion, and rust, enhancing durability. - 120 cm long, robust and reliable: the lock length is 120 cm, about 20 cm longer than most standard bicycle locks on the market, offering extra reach. It has a 12 mm thickness and uses the new RS18 alloy material to help deter cutting. - Resettable five-digit combination lock: features an intelligent resettable 5-digit combination, offering greater safety than 4-digit options. Provides keyless convenience and allows you to set your own code in one easy step. You can configure up to 100,000 combinations, so the chance of guessing the code is 1 in 100,000. The default code is 00000. - Self retractable and attachment hanging: the self-retracting design makes the lock easy to carry and includes a free mounting bracket. It can be attached around the bicycle saddle and can be added to other objects. A quick installation button makes attaching or removing the lock convenient. - Use scenarios - Lock 2-3 bicycles together at a shared rack or parking area. - Secure a bicycle to a post, railing, or bike rack while you run errands. - Carry the lock on the saddle or frame and attach it to other objects for versatile, convenient use.