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10 Best Bike Locks With Keys 2025 in the United States

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#1

Winner

Kryptonite Evolution Mini-7 Bike U-Lock with Cable, Heavy Duty Anti-Theft Bicycle U Lock, 13mm Shackle and 10mm x4ft Length Security Cable with Mounting Bracket and Keys

Rating
9.9
Chosen by1,443
Lock Type
Material
Shackle Thickness

Most important from
13194 reviews

Lock Type
The combination of a solid clamp and a flexible cable provides versatility for different locking situations.
Material
These locks feel super robust, offering a strong sense of security.
Shackle Thickness
This mini-7 is quite stout, making it a solid deterrent against theft.
Portability
Mounting to the bike frame is straightforward with the provided frame mount options.

The Kryptonite Evolution Mini-7 Bike U-Lock with Cable is a robust option for cyclists seeking high security for their bikes. Made from hardened max-performance steel, the 13mm shackle resists bolt cutters and twisting attacks, ensuring strong protection. The lock’s disc-style cylinder is pick and drill resistant, adding an extra layer of security.

The included 4ft, 10mm thick steel looped cable provides additional security for securing wheels or accessories, making it versatile for various uses, including securing sports equipment and gates. It also comes with a FlexFrame U-bracket for easy and secure mounting to your bike frame, enabling hassle-free transport without needing an additional bag or backpack.

The package includes three stainless steel keys with an ergonomic design, ensuring ease of use. The lock's size is compact and portable, measuring 3.25 x 7 inches internally and weighing 3.55 lbs. Additionally, Kryptonite offers an optional Anti-Theft Protection Offer (ATPO) with up to $2,500 coverage for registered locks, providing peace of mind. One notable drawback is the weight, which might be considered heavy for some users. However, the limited lifetime warranty indicates reliability and customer satisfaction. This bike lock is highly suited for cyclists who prioritize security and durability over portability, offering a solid investment for protecting your bike and accessories.

Rating
9.9
Chosen by1,443
Lock Type
Material
Shackle Thickness

Most important from
13194 reviews

Lock Type
The combination of a solid clamp and a flexible cable provides versatility for different locking situations.
Material
These locks feel super robust, offering a strong sense of security.
Shackle Thickness
This mini-7 is quite stout, making it a solid deterrent against theft.
Portability
Mounting to the bike frame is straightforward with the provided frame mount options.
#2

Kryptonite Keeper 785 Bike Chain Lock, 2.8 Feet Long Heavy Duty Anti-Theft Bicycle Chain Lock with Keys for Bike, Motorcycle, Scooter, Bicycle, Door, Gate, Fence

Rating
9.8
Lock Type
Material
Key Type

Most important from
7019 reviews

Lock Type
Insanely well-built lock, versatile and difficult for thieves to cut open.
Material
Always keeps the bike safe and secure, built to last, and worth the weight.
Key Type
Relatively light for a metal chain, comes with a spare key.
Portability
Perfect for students who carry backpacks, despite not being as portable as U-locks.
Length
Only 2.5 feet in length, but you can opt for longer variants for more security.

The Kryptonite Keeper 785 Bike Chain Lock is a robust option for securing your bike, motorcycle, scooter, door, gate, or fence. Crafted from 7mm hardened steel with four-sided links, it offers strong resistance against cutting and leverage attacks, making it a reliable choice for moderate security. It uses a high-security disc-style cylinder resistant to picking and drilling, and the patented end link design further enhances its security by eliminating weak points.

The lock comes with a durable rubber coating and a weather-resistant nylon sleeve to prevent scratches and withstand wear and tear, ensuring long-lasting protection for your bike. The chain extends up to 33.5 inches, providing ample length to secure your bike to various fixtures, and it weighs 3.50 lbs, making it relatively portable for its size and strength. This lock includes two keys and offers a Key Safe Program, which ensures you can get replacement keys easily if lost.

Additionally, it is eligible for Kryptonite’s Anti-Theft Protection Offer (ATPO) up to $500 coverage for registered locks and comes with a limited lifetime warranty, offering peace of mind and customer support. However, the lock is rated 5/10 on Kryptonite's security scale, which means it is suitable for moderate security but may not be the best choice for high-crime areas. Its weight could also be a drawback for some users as it adds extra weight to carry around. Despite these minor cons, the Kryptonite Keeper 785 is a durable and secure option for those seeking reliable bike protection.

Rating
9.8
Lock Type
Material
Key Type

Most important from
7019 reviews

Lock Type
Insanely well-built lock, versatile and difficult for thieves to cut open.
Material
Always keeps the bike safe and secure, built to last, and worth the weight.
Key Type
Relatively light for a metal chain, comes with a spare key.
Portability
Perfect for students who carry backpacks, despite not being as portable as U-locks.
Length
Only 2.5 feet in length, but you can opt for longer variants for more security.

Buying Guide for the Best Bike Locks With Keys

Choosing the right bike lock is crucial to ensure the safety of your bicycle. With various options available, it's important to understand the key specifications that will help you make an informed decision. Here are some key aspects to consider when selecting a bike lock with keys.
Lock TypeThe type of lock is a fundamental aspect to consider. Common types include U-locks, chain locks, and cable locks. U-locks are known for their strength and resistance to cutting, making them ideal for high-theft areas. Chain locks offer flexibility and can secure multiple parts of the bike, but they can be heavy. Cable locks are lightweight and easy to carry, but they are generally less secure. Choose a lock type based on the security level you need and how you plan to use it.
MaterialThe material of the lock determines its durability and resistance to tampering. High-quality locks are typically made from hardened steel, which is difficult to cut or break. Some locks may also have a protective coating to prevent scratches on your bike. When selecting a lock, consider the material's strength and how it aligns with your security needs. Hardened steel is best for high-risk areas, while lighter materials may suffice for low-risk environments.
Shackle ThicknessShackle thickness refers to the diameter of the lock's main body, particularly in U-locks and chain locks. Thicker shackles are harder to cut through, providing better security. Shackles typically range from 12mm to 18mm in thickness. For high-theft areas, a thicker shackle (around 16-18mm) is recommended. For areas with lower theft risk, a thinner shackle (12-15mm) may be sufficient. Assess the theft risk in your area to determine the appropriate shackle thickness.
Locking MechanismThe locking mechanism is the part of the lock that secures it in place. Common mechanisms include disc-detainer, pin-tumbler, and wafer-tumbler systems. Disc-detainer locks are generally more secure and resistant to picking. Pin-tumbler locks are common and offer a good balance of security and ease of use. Wafer-tumbler locks are less secure but can be convenient. Choose a locking mechanism based on the level of security you need and your preference for ease of use.
Key TypeThe type of key used can affect the lock's security and convenience. Some locks come with flat keys, while others use cylindrical or dimple keys. Flat keys are common and easy to replace, but they may be easier to duplicate. Cylindrical and dimple keys offer higher security and are harder to duplicate. Consider how often you might need to replace the key and the level of security you require when choosing the key type.
PortabilityPortability refers to how easy it is to carry the lock with you. U-locks can be bulky but often come with mounting brackets for easy transport. Chain locks can be heavy but can be wrapped around the bike frame. Cable locks are lightweight and easy to carry in a bag. Consider how you plan to carry the lock and choose one that fits your lifestyle and convenience needs.
LengthThe length of the lock, particularly in chain and cable locks, determines how many parts of the bike you can secure and how versatile the lock is. Longer locks can secure both the frame and wheels, but they can be heavier and bulkier. Shorter locks are lighter and easier to manage but may only secure one part of the bike. Consider the length based on how you plan to lock your bike and the level of security you need.

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