Best Chain Bike Locks of 2025

The Sportneer Bicycle Chain Lock is a 5-digit resettable combination anti-theft bike lock made from extra thick manganese steel for cut resistance and protective zinc-plated coating. It is 3.2 feet long, ideal for bicycles, bike, ladders, lawnmowers, gates, fences, tool boxes, bbq, sport equipments and more. It is keyless secure lock mechanism with up to 100,000 possible codes, making it nearly impossible to crack. It is also waterproof and dustproof with a flexible cloth sleeve which covers the chains to protect it from being scratched and sawed.

The Kryptonite Keeper 785 Integrated Bicycle Lock Chain comes in three new colors and is made from 7mm four-sided chain links using 3T MANGANESE STEEL, with a patent-pending END LINK DESIGN that secures the chain to a hardened deadbolt, eliminating critical vulnerability. It features a hardened DEADBOLT DEDSIGN for extra holding power, and a HIGH SECURITY DISC-STYLE CYLINDER that is pick and drill resistant. The lock also comes with 2 NEW ERGONOMIC "I" KEYS and a durable WEATHER-RESISTANT nylon sleeve to prevent scratches. The chain length is 33.5” (85cm).

The Kryptonite Keeper 712 Integrated Chain Lock is a high-security bike lock with 7mm four-sided chain links made from 3t manganese steel. Its patent-pending end link design secures the chain to a hardened deadbolt, providing extra holding power and eliminating critical vulnerability. The disc-style cylinder is pick and drill resistant, while the weather-resistant nylon sleeve protects the chain against scratches and the elements. With a 48-inch (120cm) chain length, it is a flexible, compact, and easy-to-use deterrent security.

Titanker Bike Chain Lock is a heavy-duty anti-theft bicycle chain lock made of 6mm thick security heavy-duty steel chain links. It comes with a protective cloth sleeve and dust cover to protect the chain from rust and scratches. The overall length of the chain lock is about 3 feet and the lock weight is 1.4 pounds. Ideal for bicycles, ladders, lawnmowers, stroller, scooter, fences, tool boxes, sport equipment and etc.

The NDakter Bike Chain Lock is a heavy-duty, 5-digit combination lock that provides excellent security for your bike, scooter, motorcycle, or other valuable items. The lock cylinder is made of zinc alloy, making it hard to break through, while the 0.27 inch alloy steel chain is drill-resistant and anti-tech unlocking. The lock is wrapped in scratch-proof polypropylene fabric, which protects the chain and prevents it from scratching your bike frame. With a code design, you don't have to worry about carrying keys, and the lock is resettable with 10,000 possible combinations. The chain is 3.2 feet long, making it suitable for locking multiple bikes together or securing your bike to a tree, gate, fence, or other fixed object. NDakter provides a one-year warranty, and the lock is backed by excellent customer reviews.

The Master Lock Cable Lock is a great choice for securing bicycles, ladders, lawn mowers, and sports equipment. It features a resettable 4 dial combination for keyless convenience, and a braided steel cable for strength and flexibility. The protective vinyl coating helps to prevent scratches, and the 6 ft. cable length is perfect for most applications. Customers have found the lock to be sturdy and easy to use, but some have noted that it can be difficult to open after setting the combination.

The Titanker Bike Chain Lock is a heavy-duty and high-quality security lock made of cut-resistant steel, available in 6mm, 8mm, and 10mm chain thickness options. It comes with 2 keys, a protective cloth sleeve, and a dust cover. The lock is about 3.3 feet long and weighs 2.5 pounds, making it portable and easy to carry. Remember to lubricate the lock and never leave your bike locked outside for long periods of time.

The Topcrown Bike Lock offers a reliable solution for securing your bicycle and other valuables. With its 5-digit combination lock, you gain enhanced security, as it provides over 100,000 possible codes—much safer than standard locks. Resetting your combination is straightforward, allowing you to create a unique code with ease. The lock's sturdy design, made from thick alloy steel, resists cutting and sawing, ensuring your bike remains protected. Plus, its durable cover safeguards against rain and dust, contributing to its longevity. This lock is versatile enough to secure multiple bikes or other items like motorcycles and ladders.

The Kryptonite Evolution 1090 Bike Chain Lock features a new patent-pending design that secures the chain to a hardened deadbolt, eliminating any weak links due to the extensive holding power of the link itself against attacks. The 10mm six-sided chain links are made of 3t manganese steel, and the high security disc-style cylinder is pick and drill resistant. The weather-resistant nylon sleeve prevents scratches, and the compact coiling makes it easy to carry. The lock comes with 3 stainless steel keys, including one with a high-intensity LED bulb for easy unlocking in the dark.

The Kryptonite Keeper 790 7mm Chain Combo Lock is a durable bike lock with an end link locking point for strong holding power, 4-sided 3t manganese steel chain links, and a 4-digit resettable combination with over 10,000 possible codes. The lock has a universal fit and is ideal for cycling enthusiasts who want to secure their bike safely.