Best Anti-Theft Alarm Bike Locks of 2026

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 Sportneer Bike Lock Set with 5 Ft Security Steel Cable is a sturdy and durable lock set made with high-quality alloy steel, covered in a silicone cover to protect from wear and tear. It comes with an additional 5 ft double-looped steel cable for added security, and is portable enough to carry around with ease. The lock cylinder is made of zinc alloy and includes 2 rust-resistant keys with advanced serpentine slots for added safety and security. Note that no lock is 100% safe, so avoid leaving your bike in high-crime areas or unattended outdoors for long periods of time.

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 Master Lock Bike Lock Cable is a versatile outdoor cable lock that is perfect for securing bicycles, skateboards, sports equipment, tool boxes, ladders, and gates. The cable lock features a preset, four-digit combination lock that provides a basic security level that is best used as a theft deterrent. The lock is made with braided steel for flexibility and includes a protective vinyl coating that helps prevent scratching. The cable is 4 ft. (1.2 m) long and 5/16 in. (8 mm) wide in diameter, making it easy to use and transport. With its combination locking mechanism and strong cut resistance, the Master Lock Bike Lock Cable is an ideal choice for low security bike lock needs.

The Amazon Basics 6 ft. Bike Cable Lock is a durable lock made of steel and plastic with a weather-resistant plastic coating. It has an easy lock mechanism and comes with two keys, and does not require a key to lock the cable. The cable is 8mm in diameter and 70.87 inches long, making it a versatile option for locking up your bike. The black finish and key cover provide added security and style.

The Master Lock U-Lock is a sturdy and reliable lock that provides excellent security for your belongings. Its hardened steel body is resistant to cutting, sawing, and prying, making it difficult for thieves to break. The double locking shackle enhances the lock's pry resistance, ensuring that your possessions are safe. The protective vinyl coating prevents scratches and other damages to your bike or other equipment. The integrated disc keyed locking mechanism offers maximum pick resistance, which means that it is harder for someone to pick the lock and gain access to your belongings. The carrier bracket included makes it easy to transport the lock. With the Master Lock U-Lock, you can have peace of mind knowing that your valuables are secure.

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 Combination Bike Cable Lock offers keyless convenience and secure protection for your bike with its 4-digit resettable cable lock. The PVC-coated braided steel wire and anti-rust zinc alloy construction provide strong cut resistance, and its 2.6ft length is suitable for locking 2-3 bikes together or other items such as luggage, grills, and sports equipment. The weatherproof design makes it durable for any outdoor lock car scene. However, it is best used as a basic security measure, and should not be left for prolonged periods or in high loss rate areas.

The Titanker Cable Lock is a reliable and convenient bike lock that offers keyless convenience with its 4-digit combination locking mechanism. You can easily set your own personalized number combination, providing added security for your bike. The 4-foot long and 5/16 inch wide flexible steel cable is perfect for locking your bike to various objects such as trees, gates, fences, and railings. The PVC coating on the cable helps prevent scratching and ensures durability. With the complimentary mounting bracket, you can easily carry the lock wherever you go. Keep your bike safe and secure with the Titanker Cable Lock.

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).