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10 Best Folding Bike Lock 2025 in the UK

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Our Top Picks

#1

Winner

Folding Bike Lock - SIGTUNA Foldable Bicycle Lock with 3 Keys, Heavy Duty Anti Theft Bike Lock with Mounting Bracket, High Security for Ebikes and Scooters (Black)

Rating
9.8
Chosen by1,425
Material
Locking Mechanism
Portability
Material
The lock is very sturdy, providing confidence when securing a bike in open spaces.
Locking Mechanism
Extra keys are a thoughtful addition, ensuring you're covered if one gets lost.
Portability
The included mounting bracket eliminates the need to carry the lock in a bag.
Security Rating
This lock feels surprisingly high-quality and offers excellent value compared to pricier brands.

The SIGTUNA Folding Bike Lock is a robust and secure option for cyclists looking to protect their bikes or scooters. Made from hardened steel bars and rivets, it offers strong protection against theft. The lock's compact design allows it to be easily carried and mounted using the included bracket, making it convenient for daily use.

With dimensions of 19 x 4 x 5.7 cm and a weight of 790 grams, it balances portability with durability. The lock comes with three keys, ensuring you have spares in case one gets lost. Its waterproof and rust-proof features enhance its longevity, and the soft plastic coating prevents scratches on your bike frame.

At 790 grams, it might be considered slightly heavy for some users looking for a lighter option. The key lock mechanism is straightforward but might not be as quick to use as combination locks. The ability to lock up to two bikes simultaneously is a plus, but the actual locking radius may not be sufficient for thicker poles or larger objects. Despite these minor drawbacks, the SIGTUNA Folding Bike Lock provides reliable and high-security features for everyday use.

Rating
9.8
Chosen by1,425
Material
Locking Mechanism
Portability
Material
The lock is very sturdy, providing confidence when securing a bike in open spaces.
Locking Mechanism
Extra keys are a thoughtful addition, ensuring you're covered if one gets lost.
Portability
The included mounting bracket eliminates the need to carry the lock in a bag.
Security Rating
This lock feels surprisingly high-quality and offers excellent value compared to pricier brands.
#2

FoldyLock Compact Folding Bike Lock - Award Winning Patented High Security Cut Proof Bicycle Lock - Heavy Duty Anti Theft Smart Secure Guard with Key and Case for Bikes or Scooters - 33.5"

Rating
9.6
Weight
Portability
Security Rating
Weight
While it is heavy, once mounted on the bike, the weight is hardly noticeable and adds to the perception of strength.
Portability
A fantastic lock that's well-made, compact, and includes a nice holder for easy attachment to the bike frame.
Security Rating
The lock satisfies insurance requirements with its 'Sold Secure Silver' rating, making it a solid choice for bike security.

The FoldyLock Compact Folding Bike Lock is a high-security, award-winning lock designed for bikes and scooters. Made from hardened steel with a cover of Nylon 6 and glass fibers, this lock is built to be both durable and resistant to various forms of tampering, including cutting, drilling, and sawing. With a length of 85cm, it provides enough flexibility to secure your bike to most stands, racks, or bars.

At 998 grams, it is relatively lightweight for its category, enhancing portability without sacrificing security. The folding design and included carrying case make it easy to transport and store, adding to its convenience for urban and outdoor use. Additionally, the lock comes with a patented ultra-protected rivet mechanism, ensuring maximum security and ease of use.

The lock is weatherproof and can withstand harsh conditions, making it an excellent choice for everyday use. Users have rated it highly for its robustness and effectiveness in preventing theft. However, it might be a bit bulky for some users, and the key mechanism may require getting used to, as there is no option for a combination code. Despite these minor drawbacks, the FoldyLock Compact is a reliable and secure choice for anyone needing a strong, portable bike lock.

Rating
9.6
Weight
Portability
Security Rating
Weight
While it is heavy, once mounted on the bike, the weight is hardly noticeable and adds to the perception of strength.
Portability
A fantastic lock that's well-made, compact, and includes a nice holder for easy attachment to the bike frame.
Security Rating
The lock satisfies insurance requirements with its 'Sold Secure Silver' rating, making it a solid choice for bike security.
#3

FoldyLock Elite Folding Bike Lock - Patented Sleek High Security Sold Secure Gold Bicycle Lock - Heavy Duty Anti Theft Smart Guard with Keys and Frame Mount for Electric Bikes and City Bikes - 43.3"

Rating
9.4
Locking Mechanism
Weight
Security Rating
Locking Mechanism
Removing the lock from its holder may require a bit of technique, but it becomes easier with practice.
Weight
The lock's robust build is apparent, with its substantial weight contributing to a high level of protection.
Security Rating
A thief would need to be really determined and noisy to break this lock, highlighting its strong deterrent value.

The FoldyLock Elite Folding Bike Lock stands out for its impressive security features, making it a great choice for cyclists in urban environments. It's constructed from hardened steel, supplemented by a nylon and glass fiber cover, ensuring robust resistance to common theft tools like bolt cutters and saws. With a 43.3-inch circumference, it provides ample length to secure your bike to various stands or racks, which is ideal for city cycling. Weighing 1.9 kg, the lock is relatively heavy, which might be a concern for portability, but this weight contributes to its sturdiness and high security rating.

The lock boasts an 18/18 security level, recognized by the Sold Secure Gold rating, making it suitable for those who prioritize protection against theft. It has a patented folding mechanism with ultra-strong anti-tamper rivets, enhancing its resilience against side attacks. Despite its robust build, it remains compact and quiet during rides, thanks to its secure mounting system, which reduces rattling on bumpy roads.

One of the standout features is its weather-resistant design, ensuring durability in various climates without compromising security. However, some users might find its weight a bit cumbersome when carrying it for extended rides. Additionally, the lock requires keys, which some may find less convenient than combination locks, but this provides an extra layer of security. Its robust construction and high security rating make it particularly suitable for e-bikes and city bikes, where theft is a common concern. If you're looking for a reliable lock that can withstand harsh conditions and tampering attempts, the FoldyLock Elite provides peace of mind with its strong materials and thoughtful design features.

Rating
9.4
Locking Mechanism
Weight
Security Rating
Locking Mechanism
Removing the lock from its holder may require a bit of technique, but it becomes easier with practice.
Weight
The lock's robust build is apparent, with its substantial weight contributing to a high level of protection.
Security Rating
A thief would need to be really determined and noisy to break this lock, highlighting its strong deterrent value.

Buying Guide for the Best Folding Bike Lock

Choosing the right folding bike lock is crucial for ensuring the security of your bicycle while also considering convenience and portability. A good folding bike lock should offer a balance between security, weight, and ease of use. When selecting a folding bike lock, consider the environment where you'll be using it, the level of security you need, and how often you'll be carrying it with you. Understanding the key specifications will help you make an informed decision that best suits your lifestyle and security needs.
MaterialThe material of a folding bike lock is important because it determines the lock's strength and resistance to cutting or tampering. Common materials include hardened steel, which offers high security, and lighter materials like aluminum, which are easier to carry but may offer less protection. If you frequently park your bike in high-risk areas, opt for a lock made of hardened steel. For lower-risk areas or if portability is a priority, a lighter material might suffice.
Locking MechanismThe locking mechanism is the part of the lock that secures the bike and is crucial for preventing theft. Common mechanisms include key locks and combination locks. Key locks are generally more secure but require you to keep track of a key, while combination locks offer convenience without the need for a key. Choose a locking mechanism based on your preference for convenience versus security. If you tend to lose keys, a combination lock might be better, but if you want maximum security, a key lock is advisable.
LengthThe length of a folding bike lock affects how easily you can secure your bike to various objects. Longer locks provide more flexibility in terms of what you can lock your bike to, but they may be bulkier to carry. Shorter locks are more compact and easier to transport but may limit your locking options. Consider where you typically park your bike and choose a length that allows you to secure it effectively in those environments.
WeightWeight is an important factor because it affects how easy it is to carry the lock with you. Heavier locks tend to be more secure but can be cumbersome to transport, especially if you need to carry them on your bike or in a backpack. Lighter locks are more convenient to carry but may compromise on security. If you need to carry the lock frequently, look for a balance between weight and security that suits your needs.
PortabilityPortability refers to how easy it is to carry the lock when it's not in use. This is influenced by the lock's design, weight, and whether it comes with a carrying case or mount. A highly portable lock is ideal if you need to carry it with you on a daily basis, while a less portable lock might be suitable if you only need it occasionally. Consider how often and how far you will be transporting the lock to determine the level of portability you need.
Security RatingSecurity ratings are often provided by independent organizations and indicate how resistant a lock is to theft attempts. Higher ratings mean better security, which is important if you park your bike in high-theft areas. Lower ratings might be acceptable for low-risk environments. Assess the typical security threats in your area and choose a lock with a security rating that matches the level of protection you require.