10 Best chain locks 2026 in the United States

The Kryptonite Evolution Mini Bike Chain Lock is a solid choice for securing your bike, motorcycle, scooter, door, gate, or fence. This lock features a 3 feet long chain constructed of 10mm hardened steel with six-sided links, making it highly resistant to cutting and leverage attacks. It includes a patented locking system with a reinforced oval crossbar and a high-security disc-style cylinder, which makes it resistant to picking and drilling. The chain is connected to a hardened deadbolt, eliminating weak points and enhancing security. The durable rubber coating around the chain helps prevent scratching your bike, and a weather-resistant nylon sleeve protects against wear and tear while preventing scratches.

Additionally, the lock includes a sliding dustcover to protect the cylinder and extend its life. For added peace of mind, Kryptonite offers a Key Safe Program, which ships your first two keys for free globally if lost, and an optional Anti-Theft Protection Offer (ATPO) covering up to $3,000 for registered locks. The product weighs approximately 6.09 pounds, which might be a bit heavy for some users but ensures durability and robustness. It comes with a lifetime warranty and support from Kryptonite.

This lock might be inconvenient to carry around due to its weight and size. However, for those prioritizing security over portability, this lock is a reliable and high-quality option.

The Kryptonite New York FAHGETTABOUDIT 1410 Bike Chain Lock is a robust and reliable security solution for high-theft areas. It features 14mm hexagonal chain links made from triple heat-treated boron manganese steel, ensuring maximum strength and resistance to cutting and leverage attacks. The lock mechanism includes a New York disc lock with a 15mm hardened steel shackle, providing a high level of security with its hardened double deadbolt locking system and reinforced anti-drill, anti-pull protection.

The chain is covered in durable nylon with hook-and-loop fasteners to prevent scratches on your bike and to keep it secure in place. Weighing 15.25 pounds, this lock is quite heavy, which may be a downside for those looking for portability. Additionally, it has a weather-resistant sliding dustcover to protect the cylinder, although it may not be fully waterproof.

The lock comes with three stainless steel keys, including one with a replaceable battery-powered light, which is a convenient feature. This chain lock is ideal for e-bikes, motorcycles, and scooters, particularly in areas with a high risk of theft. Its considerable weight and bulkiness might be a drawback for everyday casual use or for those needing a lightweight option.

The Kryptonite Keeper 712 Combo Bike Chain Lock is designed to offer solid security for bicycles, e-bikes, scooters, and mountain bikes. Its 7mm thick chain made from 3T manganese alloy steel provides reasonable resistance against cutting or sawing, which is important for preventing theft. At 4 feet (120 cm) long, the chain is long enough to secure your bike to various fixed objects without being too bulky.

The lock uses a 4-digit resettable combination, allowing you to set a personal code with over 10,000 possible combinations—this eliminates the need for keys, making it convenient and easy to share access. Weighing around 4.5 pounds, it’s relatively portable but might feel a bit heavy for some riders to carry regularly. Although the outer material is aluminum, the product does not specifically highlight weather resistance features, so it may require occasional maintenance to avoid rust if frequently exposed to rain or snow.

The included end link locking point enhances holding power and makes it harder to pry open. This lock is a practical choice for everyday cyclists who need a balance of security and portability without the complexity of keys. Those seeking maximum security against heavy attacks or harsh weather conditions might consider heavier or fully weatherproof models.