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 Keeper 785 Bike Chain Lock is designed for those seeking reliable security for their bike, motorcycle, scooter, door, gate, or fence. Key features include a heavy-duty chain made from 7mm hardened steel which is highly resistant to cutting and leverage attacks, making it a strong choice for security. The chain is 85cm (33.5 inches) long, which should offer flexibility in securing various items.

Its lock mechanism is a high-security disc-style cylinder that resists picking and drilling, adding another layer of protection. The chain lock also features a durable rubber coating to prevent scratches and a weather-resistant nylon sleeve to protect against the elements, ensuring longevity even in varying weather conditions. Weighing 1.59kg (3.50 lbs), it is relatively heavy, which adds to the security aspect but might make it less convenient to carry around.

The product comes with two keys and offers a convenient Key Safe Program for key replacement if lost. Kryptonite's optional Anti-Theft Protection and lifetime warranty provide further peace of mind. The primary drawback is the weight and moderate security rating, which might not meet the needs of users in high-crime areas. Given its strengths in durability and security features, it is particularly suitable for users prioritizing strong anti-theft measures and resilience against weather.

The ABUS 1060/170 Granit CityChain X-Plus is a very strong and reliable chain lock, designed for high-quality bicycles, cargo bikes, and e-bikes. It features a thick 10 mm hexagonal chain made from hardened alloy steel, providing excellent protection against cutting and physical attacks. This lock uses ABUS's advanced XPlus cylinder and patented Power Cell technology, which offer added resistance to drilling, picking, and impacts, making it one of the most secure options available. With a length of 67 inches (170 cm), it gives enough flexibility to secure your bike to various fixed objects. The lock is on the heavier side, weighing about 8 pounds (3.75 kg), which might be a consideration if you prefer something lightweight for portability. It is well-protected against weather conditions, featuring anti-corrosion and scratch-resistant coatings, so it holds up well outdoors through rain or sun. The lock mechanism is straightforward with two included keys.

While it may not be the easiest chain lock to carry due to its weight, its security features make it an excellent choice for users who prioritize safety over portability. This lock suits those who want maximum protection for valuable bicycles and are okay with the added bulk. On the downside, the heavier weight and thicker chain could be cumbersome for casual riders or those frequently transporting the lock. If top-level theft prevention and durability are your main goals, this ABUS chain lock delivers solid performance.