10 Best Bike Locks 2025 in the United States

The Master Lock Cable Lock is a versatile bike lock suited for both indoor and outdoor use. It features a 6-foot long, 1/2 inch diameter cable made from braided steel, which provides a good balance of strength and flexibility. The lock's adjustable mechanism allows the cable to hold tight at any desired length, accommodating various locking scenarios from bicycles to ATVs, grills, and lawn mowers. This flexibility makes it a practical choice for those who need a multi-purpose lock.

The combination lock mechanism offers keyless convenience and the flexibility to set your own code, adding to its ease of use. The cable is vinyl-coated to prevent scratches and enhance weather resistance, making it durable in different weather conditions. The rust-resistant lock and vinyl-coated cable contribute to its longevity.

Its weight and size (8 x 5.8 x 1.1 inches) are manageable, but those looking for ultra-lightweight options might find it slightly bulky. This lock is ideal for users seeking a flexible and easy-to-use bike lock with moderate security needs and good weather resistance.

The Kryptonite Evolution Mini-7 Bike U-Lock with Cable is a solid choice for cyclists looking for a reliable and secure bike lock. One of its main strengths is its durable design, featuring a 13mm hardened steel shackle that resists cutting and twisting attacks, making it a strong deterrent against theft. The added 4ft security cable enhances its versatility, allowing you to secure multiple bikes or additional equipment. With a security rating that promises a good level of safety, this lock is well-suited for urban environments where theft is a concern.

Ease of transport is another plus, thanks to the included FlexFrame U-bracket, which allows for secure and convenient mounting on your bike frame. Users appreciate this feature, as it eliminates the hassle of carrying a bag for the lock.

However, there are some drawbacks. Weighing in at 3.55 lbs, the lock can be considered somewhat heavy, especially for casual riders or those who prefer lightweight gear. Additionally, its mini size might not accommodate all bike frames easily, particularly for larger or thicker frames. While the lock is made of sturdy steel, it’s essential to keep it dry as prolonged exposure to moisture can potentially lead to rust, affecting its longevity. The lifetime warranty is a reassuring aspect for buyers, along with the Anti-Theft Protection Offer, which provides extra peace of mind. The Kryptonite Evolution Mini-7 is a strong and versatile option for serious cyclists who value security and ease of use, although it might not be as appealing for those looking for a lightweight or larger locking option.

The Kryptonite Keeper 712 Bike Chain Lock is a solid choice for those seeking moderate security for their bicycles or similar possessions. Made from 7mm hardened steel with four-sided links, it offers strong resistance against cutting and leverage attacks. The patented locking system includes a high-security disc-style cylinder that is resistant to picking and drilling, and a proprietary end link design that effectively eliminates weak points by securely connecting the chain to a hardened deadbolt. This provides added peace of mind for users concerned about theft attempts.

Additionally, the chain is covered in a durable, weather-resistant nylon sleeve to prevent scratches and wear on your bike, while the rubber coating around the lock adds further protection. The Keeper 712 is 4 feet long (120 cm), which should be ample for securing most bikes to fixed objects, though its weight of 1.70kg (3.75 lbs) could be considered a bit heavy for some users. It comes with two keys and has a moderate security rating of 5/10, suitable for low to moderate-risk areas.

One helpful feature is Kryptonite's Key Safe Program, which allows you to register your key code online and receive two replacement keys for free if you lose them. In terms of user feedback, the lock has received favorable reviews, with a 4.7 out of 5-star rating from over 1,600 users. While it may not be the top choice for high-risk areas due to its moderate security rating, it is a reliable and durable option for everyday use in safer locations.