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10 Best Bike Chain Locks 2025 in the United States
#1
Winner
Master Lock Cable Lock, Set Your Own Combination Bike Lock, 6 ft. Long, Black, 8122D
The Master Lock Cable Lock is a versatile option designed for securing bikes, ATVs, grills, and lawn mowers. It stands out due to its adjustable locking mechanism that allows you to set the cable tight at any length between 6 inches and 6 feet, making it adaptable for various uses. The cable is made from braided steel, which provides strength and flexibility, while the vinyl coating helps prevent scratches and offers weather resistance to avoid rusting.
Rating
9.8
Chosen by1,407
Locking Mechanism
Most important from
4310 reviews
#2
Sportneer Bike Lock: 5 Digit Combination High Security Anti Theft Bike Chain Lock - 3.2/3.6/4ft Heavy Duty Keyless Bicycle Lock for Bike Motorcycle Scooter Door & Gate - Easy to Use, Bike Accessories
The Sportneer Bike Lock is a solid choice for those needing a reliable and secure bike-chain-lock. Made from ultra-thick 0.236 inch (6mm) manganese steel, it offers robust resistance against cutting and sawing, while the zinc alloy lock core adds extra protection, ensuring durability. The 5-digit combination lock provides high security with up to 100,000 possible combinations, eliminating the need for keys and enhancing convenience. This keyless design makes it highly practical for everyday use.
Rating
9.6
Locking Mechanism
Weight
Most important from
11240 reviews
#3
Kryptonite Keeper 712 Bike Chain Lock, 4 Feet Long Heavy Duty Anti-Theft Bicycle Chain Lock with Keys for Bike, Motorcycle, Scooter, Bicycle, Door, Gate, Fence,Black
The Kryptonite Keeper 712 Bike Chain Lock is a robust and reliable choice for securing your bicycle, motorcycle, or other outdoor items. Made from 7mm hardened steel with four-sided links, it offers strong resistance against cutting and leverage attacks, which significantly enhances its security. The chain extends up to 4 feet (120cm) in length, providing ample reach to secure your bike to various fixed objects.
Rating
9.4
Material
Length
Locking Mechanism
Most important from
1774 reviews
Top 10 Best Bike Chain Locks 2025 in the United States
#1
Winner
Master Lock Cable Lock, Set Your Own Combination Bike Lock, 6 ft. Long, Black, 8122D
Master Lock Cable Lock, Set Your Own Combination Bike Lock, 6 ft. Long, Black, 8122D
Material: Steel, Vinyl
Chain Thickness: 5/16-inch
Length: 6 feet
Locking Mechanism: 4-dial combination lock
Weather Resistance: Vinyl coating offers some protection
Chosen by 1407 this week
Sportneer Bike Lock: 5 Digit Combination High Security Anti Theft Bike Chain Lock - 3.2/3.6/4ft Heavy Duty Keyless Bicycle Lock for Bike Motorcycle Scooter Door & Gate - Easy to Use, Bike Accessories
Sportneer Bike Lock: 5 Digit Combination High Security Anti Theft Bike Chain Lock - 3.2/3.6/4ft Heavy Duty Keyless Bicycle Lock for Bike Motorcycle Scooter Door & Gate - Easy to Use, Bike Accessories
Material: Manganese Steel, Zinc Alloy
Chain Thickness: 6mm
Length: 3.2ft
Locking Mechanism: 5-digit Combination Lock
Weight: 1.57 pounds
Weather Resistance: Polypropylene cover, Dustproof cap
Kryptonite Keeper 712 Bike Chain Lock, 4 Feet Long Heavy Duty Anti-Theft Bicycle Chain Lock with Keys for Bike, Motorcycle, Scooter, Bicycle, Door, Gate, Fence,Black
Kryptonite Keeper 712 Bike Chain Lock, 4 Feet Long Heavy Duty Anti-Theft Bicycle Chain Lock with Keys for Bike, Motorcycle, Scooter, Bicycle, Door, Gate, Fence,Black
Material: 7mm hardened steel
Chain Thickness: 7mm
Length: 120cm
Locking Mechanism: disc-style cylinder
Weight: 1.70kg
Weather Resistance: nylon sleeve
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,Red, 33.5 Inch
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,Red, 33.5 Inch
Material: 7mm hardened steel
Chain Thickness: 7mm
Length: 2.8 feet
Locking Mechanism: patented disc-style cylinder
Weight: 2.9 pounds
Weather Resistance: rubber coating and nylon sleeve
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Kryptonite Evolution Mini Bike Chain Lock, 3 Feet Long 10mm Steel Chain Heavy Duty Anti-Theft Sold Secure Gold Bicycle Chain Lock with Keys for Bike, Motorcycle, Scooter, Bicycle, Door, Gate, Fence
Kryptonite Evolution Mini Bike Chain Lock, 3 Feet Long 10mm Steel Chain Heavy Duty Anti-Theft Sold Secure Gold Bicycle Chain Lock with Keys for Bike, Motorcycle, Scooter, Bicycle, Door, Gate, Fence
Material: Plastic
Chain Thickness: 10mm
Length: 3 feet
Locking Mechanism: Reinforced oval lock, high-security cylinder
Weight: 6.09 pounds
Weather Resistance: Weather-resistant nylon sleeve
Kryptonite New York FAHGETTABOUDIT 1410 Bike Chain Lock, 3.28 Feet Long 14mm Steel Chain Heavy Duty Anti-Theft Bicycle Chain Lock with Keys, 10/10 Security Rating for E-Bike, Motorcycle, Scooter
Kryptonite New York FAHGETTABOUDIT 1410 Bike Chain Lock, 3.28 Feet Long 14mm Steel Chain Heavy Duty Anti-Theft Bicycle Chain Lock with Keys, 10/10 Security Rating for E-Bike, Motorcycle, Scooter
Material: Triple heat-treated boron manganese steel
Chain Thickness: 14mm
Length: 39.37 inches
Locking Mechanism: New York disc lock with 15mm shackle
Weight: 15.25 pounds
#10
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Buying Guide for the Best Bike Chain Locks
Choosing the right bike chain lock is crucial for ensuring the security of your bicycle. A good bike lock can deter thieves and give you peace of mind when leaving your bike unattended. When selecting a bike chain lock, consider the following key specifications to find the best fit for your needs.MaterialThe material of the bike chain lock is important because it determines the lock's strength and resistance to cutting or breaking. Common materials include hardened steel, titanium, and alloy steel. Hardened steel is very strong and resistant to cutting, making it a popular choice for high-security locks. Titanium is lighter but still offers good strength, while alloy steel provides a balance between strength and weight. Choose a material based on the level of security you need and how much weight you are willing to carry.
Chain ThicknessChain thickness refers to the diameter of the individual links in the chain. Thicker chains are generally more resistant to cutting and sawing. Chain thickness typically ranges from 7mm to 12mm or more. For high-risk areas, a thicker chain (10mm or more) is recommended, as it provides better security. For lower-risk areas or if you need a lighter lock, a thinner chain (7-9mm) may suffice. Consider the level of security you need and the convenience of carrying the lock when choosing the chain thickness.
LengthThe length of the bike chain lock determines how easily you can secure your bike to various objects. Longer chains offer more flexibility in terms of where you can lock your bike, but they are also heavier and bulkier to carry. Chain lengths typically range from 60cm to 150cm or more. If you often lock your bike in different locations, a longer chain (100cm or more) may be more convenient. For consistent locking spots, a shorter chain (60-90cm) might be sufficient and easier to manage.
Locking MechanismThe locking mechanism is the part of the lock that secures the chain and prevents it from being opened without the key or combination. Common types include key locks, combination locks, and integrated locks. Key locks offer high security but require you to keep track of the key. Combination locks are convenient as you don't need a key, but they may be less secure if the combination is easy to guess. Integrated locks combine the chain and lock into one unit, offering convenience and security. Choose a locking mechanism based on your preference for convenience and security.
WeightThe weight of the bike chain lock is important for portability and ease of use. Heavier locks are generally more secure but can be cumbersome to carry around. Lighter locks are easier to transport but may offer less security. Weights can range from under 1kg to over 3kg. If you need to carry the lock frequently, consider a lighter option that still provides adequate security. If the lock will mostly stay in one place, a heavier, more secure lock might be a better choice.
Weather ResistanceWeather resistance refers to the lock's ability to withstand exposure to the elements without rusting or deteriorating. Locks with weather-resistant coatings or materials are better suited for outdoor use. Look for locks that are advertised as weather-resistant or have protective coverings over the chain and lock mechanism. If you plan to leave your bike locked outside frequently, a weather-resistant lock is essential to ensure longevity and reliability.