10 Best Bicycle Locks 2025 in the United States

The Master Lock Cable Lock is a versatile option for securing bicycles, ATVs, grills, and lawn mowers both indoors and outdoors. It features a 6-foot long, braided steel cable that offers strength and flexibility, with a vinyl coating to prevent scratches and resist rust. The patented adjustable locking mechanism allows you to secure the cable tightly at any length from 6 inches to 6 feet, adding to its versatility.

Additionally, the lock employs a 4-dial combination, eliminating the need for keys and providing resettable security. The cable’s 5/16-inch diameter and dimensions (8 x 5.8 x 1.1 inches) make it relatively lightweight and easy to handle. However, while the braided steel construction offers decent security, it may not be as robust as other high-security locks, making it more suitable for low to moderate-risk areas.

The simplicity of a combination lock might not deter determined thieves as effectively as more complex locking mechanisms. This lock is ideal for users looking for a flexible, easy-to-use option that offers convenience and moderate security for a variety of items.

The Kryptonite Evolution Mini-7 Bike U-Lock with Cable is a solid choice for cyclists looking for reliable security. Its 13mm hardened steel shackle is robust, making it resistant to common theft methods like bolt cutters. The design also has features to prevent twisting and rotation, which adds an extra layer of protection. With a weight of just 3.55 lbs, it's relatively lightweight for a heavy-duty lock, making it easier to carry on your bike.

This U-Lock comes with a 4-foot security cable that allows you to secure additional items like wheels or accessories, which is a useful feature for those who own multiple bikes or want to lock their gear separately. The included FlexFrame U-bracket makes it easy to mount on your bike frame, ensuring that transporting it is hassle-free.

One of the standout aspects is Kryptonite's Anti-Theft Protection Offer, which can cover your lock for up to $2,500 if registered. This can provide peace of mind, particularly in urban areas where theft is more common. Additionally, the lifetime warranty and responsive customer service reflect the brand's commitment to quality.

Some users may find the size a bit limiting, particularly if they own larger bikes or need to secure multiple items together. The lock's mini design means that while it's compact, it may require some creativity to effectively use it in larger locking situations. Moreover, while the security rating is good, it might not be the best choice for very high-risk areas where more advanced locks are recommended.

This U-Lock is well-suited for casual cyclists and those who prioritize ease of use and portability without sacrificing security. If you're in a very high-theft area or need to secure extensive gear, you might want to consider a larger option.

The Master Lock Black Bike Lock with Key, Model 8320D, is a U-shaped lock made from hardened steel with a vinyl coating to prevent scratching. The steel construction ensures robust resistance against cutting, sawing, and prying, adding a significant layer of security for your bicycle or outdoor equipment. It features a double locking shackle for enhanced pry resistance and an integrated disc keyed locking mechanism designed to resist picking.

The inclusion of a carrier bracket makes it easier to transport the lock when not in use, a practical feature for cyclists on the go. In terms of dimensions, the lock measures 9.8 x 7.42 x 1.35 inches and weighs approximately 2.12 pounds, making it relatively lightweight without compromising its sturdy build.

It is worth noting that the lock requires a key, which means you will need to ensure you have it on hand to secure or unlock your bike. This key-based locking system can be seen as a drawback for those who prefer combination locks to avoid the risk of misplacing keys.