Best chain bike locks

Our top 3 picks

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  Kryptonite Keeper 712 Bike Chain Lock, 4 Feet Long Heavy Duty Anti-Theft Bicycle Chain Lock with Keys for Bike, Motorcycle, Scooter, Bicycle, Door, Gate, Fence,Black

  The Kryptonite Keeper 712 Bike Chain Lock is a robust security solution designed for a wide range of applications, from bicycles to gates. Its 7mm four-sided chain links are crafted from 3T manganese steel, providing exceptional strength and resistance to common theft tools. The lock features a patent-pending end link design, which secures the chain to a hardened deadbolt, eliminating critical vulnerabilities. A high-security disc-style cylinder further enhances its anti-theft capabilities by resisting picking and drilling. The 48-inch chain provides ample length for versatile use, while a durable, weather-resistant nylon sleeve protects both the chain and your possessions from scratches and the elements. Customers consistently praise its durability and effectiveness, although some find the locking mechanism a bit clunky. Overall, the Kryptonite Keeper 712 offers reliable protection and peace of mind for securing valuable items in various environments.
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  Kryptonite Keeper 785 Bike Chain Lock, 2.8 Feet Long Heavy Duty Anti-Theft Bicycle Chain Lock with Keys for Bike, Motorcycle, Scooter, Bicycle, Door, Gate, Fence

  The Kryptonite Keeper 785 Bike Chain Lock is a robust and reliable security solution for your bike, motorcycle, scooter, or gate. Featuring 7mm four-sided chain links made from 3T MANGANESE STEEL, this lock offers unparalleled protection against theft. Its patent-pending END LINK DESIGN secures the chain to a hardened deadbolt, eliminating critical vulnerabilities. With a high-security disc-style cylinder, this lock is pick and drill resistant, ensuring peace of mind. The durable weather-resistant nylon sleeve protects your bike from scratches, making it ideal for all weather conditions. Customers have consistently praised its reliability, even in high-risk areas, making it a top choice for security-conscious individuals. Whether you're commuting in the city or securing your bike overnight, the Kryptonite Keeper 785 is a proven theft-deterrent that ensures your property remains safe.
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  Bike Chain Lock, Heavy Duty Anti-Theft Bicycle Chain Lock, 2.72 Ft Security Bike Locks with 3 Keys, Waterproof Lock Chain for Bike, Bicycle, Scooter, Motorcycle, Door, Gate, Fence

  The Weogine Bike Chain Lock is a practical solution for securing your bicycle, scooter, or other outdoor equipment. Constructed from heavy-duty alloy steel, it offers resistance against drilling and cutting, providing a solid deterrent against theft. Its lightweight design, weighing just 13.4 ounces, makes it easy to transport and handle, while the 2.72 ft length is sufficient for locking multiple items together. The lock features a hardened zinc alloy cylinder and comes with three keys, ensuring you have backups if needed. Wrapped in a scratch-resistant polypropylene fabric, the chain is protected from rust and damage, extending its lifespan. Ideal for low-crime areas, it serves as a visual deterrent, perfect for suburban environments or as a secondary lock. While not suited for high-crime areas, its ease of use and portability make it a favorite among users, especially for children's bikes or casual use. With a 1-year warranty and 24/7 customer support, Weogine ensures peace of mind with your purchase.