Bike Chain Lock 3FT/4FT/5FT Heavy Duty Bike Lock Anti-Theft Bicycle Chain Lock 8mm/10mm Thicker Bicycle Lock Chain Bike Lock with 3 Keys for Bike, Motorcycle

8MM/0.32INCH HGIHG CARBON STRUCTURAL STEEL BIKE CHAIN LOCK BRINGS YOU MORE SAFETYThe bicycle lock is made of high quality manganese steel which is heat treatment of high tenacity for strong cut resistance. The flexible protective cloth sleeve of this bike lock will keep your bike from scratching. The whole design of the chain bike lock can prevent it from picking, knocking and bumping.Thick Security Links! The bike chain lock itself features 8mm/0.32inch square links which are made of high carbon structural steel link which is heat treatment hardening, thus the links will not be too brittle. The thick links have high tenacity for strong cut resistance, and will provide your valuable things with extra protection against bolt cutters.3 Keys for You! This heavy duty bike lock comes with 3 copper keys, so you'll always have a spare one. It will offer you some peace of mind in case you lose one. These 3 keys are specially designed which are difficult to copy and the good quality makes it very smooth to open the bicycle lock, you will never worry about blocking.Bring more safety for you!The lock cylinder of this bike lock chain is made by zinc alloy blade, it will make any thief think twice before trying to steal your bicycle, thus bring more safety to your bikes. Comes with a lock hole dust cover, the bicyle chain lock can resist corrosion from water, dust and dirt. The life of your bicycle u lock will be prolonged.

• HIGH QUALITY HEAVY DUTY BIKE LOCK: bike lock chain with key itself features 8mm/0.32inch square links, providing superior strength against bolt cutters and hand tools. Our bicycle locks heavy duty anti theft are Ideal for securing expensive bicycles, e-bikes, and power equipment worth hundreds of dollars
• HEAVY-DUTY DEADBOLT & BLADE LOCK CORE: Unlike standard bike locks with spring latches, this lock features a solid metal deadbolt that physically blocks cutting and prying. Inside, it uses a blade lock cylinder (not easy-to-pick pin tumblers) with precision-coded blades that only your unique key can align. It’s the same tech used in high-security door locks—now protecting your bike from both angle grinders and lock picks. With the lock dust cover and cooper lock cylinder, no need to worry about blocking
• SCRATCH-FREE & COMFORTABLE HANDLING: This bike chain lock comes with 3 keys, so you'll always have a spare one. The durable fabric sleeve protects your bike’s paint and your hands from rough metal edges. Makes carrying and using the heavy chain much easier and cleaner
• WIDE APPLICATION: This bicycle lock has a wide application which is ideal for bicycle, scooter, e-scooter, motorcycle, gates, fences and more. Don’t just lock your bike. Use it to secure your lawn mower in the shed, grill on the patio, motorcycle on a trailer, or tools in your garage. One lock for multiple high-value items at home, work, or on the go
• PORTABLE SIZE: The total length of this chain bike lock is 3FT and the weight of which is 2.87lbs. You can just wrap the heavy duty bike lock on your bike frame or just put it into your backpack to enjoy your beautiful day like never before!