Most Secure Bike Lock: Safeguarding Your Bicycle

We have researched 13 bike locks for you.

Cycling enthusiasts know that choosing the right bike lock is crucial for safeguarding their prized possession. In an age where bicycle theft occurrences are all too common, it's essential to invest in a high-quality security solution that keeps your two-wheeled treasure protected.

Our carefully curated selection focuses on the industry's best, offering peace of mind through innovative design and robust materials. Whether you park in a high-risk area or simply prefer the extra assurance, these leading bike locks blend portability with formidable defense.
To simplify the price comparison, we determine the prices for the individual articles on Amazon, Ebay and other shops and link the offers via partner links where applicable. This means that we receive a commission if you buy something that we recommend - the price does not change for you.

What to Look for in Most Secure Bike Locks

Important criteria

  • Made from high-strength materials such as hardened steel or titanium
  • Uses a complex locking mechanism such as a disc detainer or Abloy keyway
  • Has a double locking shackle to resist twisting and cutting attacks
  • Features anti-pick, anti-drill, and anti-bump lock cylinders
  • Includes a robust chain or cable resistant to bolt cutters
  • Offers a high security rating from recognized organizations (e.g., Sold Secure, ART)

1.) Lock Type

When purchasing a bike lock, consider the type that best suits your needs. U-locks are widely recognized for their toughness and ability to resist crowbars and hammers. Chain locks offer flexibility and length, making it easier to secure your bike to various objects. Meanwhile, folding locks provide a balance of security and portability. It is important, however, to ensure that the lock type you choose has a reputable security rating from independent testing organizations.

2.) Material and Thickness

The material and thickness of a bike lock are crucial factors in determining its security level. High-grade steel such as hardened steel or alloy is more resistant to cutting and sawing. Look for locks with a thickness of at least 13mm to deter most bolt cutters. Thicker locks provide more security but may be heavier and less convenient to carry, so weigh your security needs against the practicality of everyday use.

3.) Locking Mechanism

A secure locking mechanism is essential for any bike lock. Disk detainer or high-security cylinder locks tend to provide better security against picking than standard pin tumbler mechanisms. Look for locks with complex keyways and that come with keys that are difficult to duplicate. Additionally, a keyway cover can protect against dirt and moisture, which can compromise the lock over time.

4.) Brand Reputation and Reviews

Opt for a bike lock from a reputable manufacturer known for their quality and commitment to security. Established brands often have a proven track record and may offer additional services like anti-theft protection guarantees or key replacement services. Reading customer reviews and looking into industry awards or certifications can provide insight into the reliability and effectiveness of the lock you are considering.

The Most Secure Bike Locks of our Choice

Our Pick
SIGTUNA Folding Bike Lock
SIGTUNA Folding Bike Lock
Type/Color: Yellow
  • Certified foldable bike lock made of hardened steel.
  • Provides strong security for bikes or scooters.
  • Large radius allows locking up to 2 bikes.
  • Can be used to protect bike to thick poles.
  • Waterproof and rust-proof for longer lifetime.
  • Quick and easy installation process.
  • Mountable with velcro straps or screws.
  • Extra soft plastic casting to prevent scratches.
  • Anti-lock picking design for added security.
  • Available for purchase with fast delivery.
$ 29.99 *
View
on Amazon
Search
on Ebay
2
DVIC Bike Locks Heavy Duty for Anti Theft
DVIC Bike Locks Heavy Duty for Anti Theft
Type/Color: Black Size: DVIC 59 Inches(150cm)
  • Made from bulletproof fiber patented in Korea
  • Extremely flexible with easy lock mechanism
  • Lightweight and highly portable for carrying
  • Suitable for kids bike locks for school
  • Suitable for both indoor and outdoor use
  • Includes pre-set four-digit combination lock
  • Offers basic level of security as deterrent
  • Includes one combination bike lock cable
  • Made from PP, ABS, Stainless Steel, Zinc alloy
  • Sold as domestic brand in Korea
$ 26.98 *
View
on Amazon
Price Pick
Via Velo Bike U Lock with Cable
Via Velo Bike U Lock with Cable
Model: 234100 Type/Color: Black Size: 29.5cm x 20cm x 6.5cm
  • Durable all-weather protection with hexagonal PVC cover
  • Resists corrosion, prolongs life of lock
  • Easy and strong to lock your bike
  • 14mm U shack locks bike and wheels
  • 10mm x 180cm cable for extra security
  • Amazing convenience with 2 keys
  • High-quality mounting bracket for easy installation
  • Bracket suitable for bike tube: 20-42mm
  • Value for your money
  • Lifetime warranty and customer service
$ 18.96 *
View
on Amazon
Search
on Ebay
4
Retrospec Lookout U-Lock Bike Lock with 4Ft Security Cable
Retrospec Lookout U-Lock Bike Lock with 4Ft Security Cable
Type/Color: Matte Black Size: One Size
  • Hardened 14mm steel for strength and durability.
  • Pick-resistant deadbolt lock with cut-resistant coated cable.
  • Includes 2 keys, mounting bracket, and 4ft cable.
  • Lock up bike with peace of mind.
  • Compatible with most bikes with 9”x4” shackle.
$ 29.99 *
View
on Amazon
Search
on Ebay
5
Alshaay Heavy Duty Bike U Lock
Alshaay Heavy Duty Bike U Lock
Type/Color: Black Size: Small
  • Protection Meets Durability - Heavy Duty Bike U Lock.
  • External silicone layer ensures scratch-free bike.
  • Screws concealed within silicone wrap for enhanced aesthetics.
  • Robust 0.74-inch shackle with 12-ton resistance.
  • Heat-resistant and hydraulic shear-proof cylinder for maximum security.
  • 0.1-inch silicone protective cover and top-quality German lock cores.
  • Dustproof cover extends lock core lifespan.
  • Easy installation with high-quality mounting bracket.
  • 1.2-inch non-slip pad ensures snug fit.
  • Unmatched security and user experience for your bicycle.
  • Great gift idea for bike owners, especially in public areas.
$ 29.99 *
View
on Amazon
Search
on Ebay
6
NDakter Bike Chain Lock
NDakter Bike Chain Lock
Model: NDDECL Type/Color: Black Size: 3.2 feet Long, 6 mm Thick
  • Secure & resettable 5-digit combination bike chain lock
  • Sturdy & durable with zinc alloy lock cylinder
  • 0.24 inch alloy steel chain, drill-resistant & anti-tech unlocking
  • Scratch-proof polypropylene fabric protects chain & bike frame
  • Convenient keyless locking with customizable 10,000 combinations
  • 3.2 feet chain length, suitable for multiple purposes
  • One-year warranty, free replacement or full refund
$ 16.99 *
View
on Amazon
Search
on Ebay
7
VVA Bike U Lock,20mm Heavy Duty
VVA Bike U Lock,20mm Heavy Duty
Model: ulock Type/Color: Black Size: short
  • Premium Heavy Duty Bike Lock with durable shackle
  • Excellent heat and hydraulic shear resistance for added security
  • Silicone cover prevents scratches and ensures safety
  • Built-in pure copper lock cylinder for anti-theft performance
  • Easy to install and use with high-quality mounting bracket
  • Thick steel cable with convenient 4ft length
  • Portable and practical with lightweight design
  • Suitable for mountain, road, and folding bicycles
  • Complete set includes lock, keys, cable, and bracket
  • Customer satisfaction guaranteed, contact us with any issues
$ 29.95 *
View
on Amazon
Search
on Ebay
8
Seatylock FoldyLock Compact Folding Bike Lock
Seatylock FoldyLock Compact Folding Bike Lock
Model: FC Type/Color: Orange New Size: 85cm (33.5in) Circumference
  • Top rated lightweight compact bikelock
  • Good light weight folding bike lock
  • Portable solid key bike lock protects bicycle
  • No code, strong equipment for city cycling
  • Bolt cutter drill & saw proof
  • 3 year warranty heavy duty bike lock
  • Patented ultra secure hardened waterproof weatherproof bicycle protector
  • Anti tamper rivets, multi locking guard system
  • Bike lock with key & secure protection
  • Pro kit & accessories set: master keys & easy carry case holder
  • Flexible foldable bicycle locks open to 85 cm chain link circumference
  • Locks to stands racks & bars
  • Premium frame mount & lock for quiet ride
  • No rattle, heavy duty bike lock mounting bracket accessory
  • For mountain road sport standard bikes & scooters
  • 2020 European design award winner
  • Smart bike lock with maximum antitheft security & quality
  • Lock for bike for safe cycles outside
  • Sold secure silver safety tool
$ 89.98 *
View
on Amazon
Search
on Ebay
9
Master Lock U-Lock Bike Lock with Key
Master Lock U-Lock Bike Lock with Key
Model: 8170D Type/Color: Black Size: 6-1/8 inch U-Lock
  • Outdoor heavy duty bike U-lock
  • Good as a bicycle lock
  • Measure door's backset, cross bore, thickness
  • U-shaped steel bike lock with key
  • Includes carrier bracket for easy transport
  • Hardened steel body, double locking shackle
  • 6-1/8 in. wide body, 8 in. shackle
  • 4 in. width, 1/2 in. diameter
  • Includes one u-lock bike lock, two keys
  • Affordable U-Lock Protection
  • Disc key for anti-pick protection
  • Includes carrier bracket for storage
  • 6-1/8-inch by 8-inch by 4-inch size
  • Vinyl coating for weather, scratch resistance
$ 19.23 *
View
on Amazon
Search
on Ebay
10
KOHLBURG 18 lbs massive motorcycle security chain lock
KOHLBURG 18 lbs massive motorcycle security chain lock
  • Security lock designed for maximum security
  • Made of hardened manganese-chromium steel
  • Integrated multi-disc cylinder for high-level protection
  • Can be used as a wheel lock
  • Sold Secure level diamond certification
  • Extra-long chain for versatile locking options
$ 192.20 *
View
on Amazon
Search
on Ebay
11
Kryptonite Keeper 785 Bike Chain Lock
Kryptonite Keeper 785 Bike Chain Lock
Model: 152080 Type/Color: Black Size: 32 Inch
  • Now available in 3 new colors: grey, red, & purple
  • 7mm four-sided chain links made from 3T MANGANESE STEEL
  • END LINK DESIGN secures chain to hardened deadbolt
  • Hardened DEADBOLT DESIGN provides extra holding power
  • DISC-STYLE CYLINDER is pick and drill resistant
  • Includes 2 NEW ERGONOMIC "I" KEYS
  • Durable WEATHER-RESISTANT nylon sleeve prevents scratches
  • Key Safe Program
  • Product dimensions: 33.5” (85cm) chain length
$ 36.79 *
View
on Amazon
Search
on Ebay
12
Kryptonite Keeper 790 Combo Bike Chain Lock
Kryptonite Keeper 790 Combo Bike Chain Lock
Model: 3281 Type/Color: Black Size: One Size
  • End link lock for strong holding power
  • 4-sided 3t steel chain links
  • 4-digit resettable combination with 10,000 codes
  • Universal Fit type
  • Sport type: Cycling
$ 52.95 *
View
on Amazon
Search
on Ebay
13
Kryptonite Evolution Mini Bike Chain Lock
Kryptonite Evolution Mini Bike Chain Lock
Model: 808 Type/Color: Black / Orange Size: 35.5"
  • Disc-style cylinder is pick-resistant
  • Drill resistant for high security
$ 83.90 *
View
on Amazon
Search
on Ebay
* All prices incl. VAT, plus shipping if applicable. Prices, delivery times and costs may change in the meantime. The selection of products was made independently of the manufacturer and without any claim to completeness. All links to products are external partner links through which we may receive compensation. All information without guarantee.

Top Picks for Reliable Bike Security

For Urban Cyclists
City riders need a lock that can withstand the challenges of high-traffic areas. Choose a lock that balances portability with high resistance to tampering. Designed to offer peace of mind, even in bustling urban environments.
For Commuters
Commuters require a lock that is easy to carry and quick to engage. Look for a lightweight yet sturdy option that secures your bike during short or long stops. Convenience doesn't mean compromising on security with these locks.
For High-Risk Areas
In high-risk areas, your bike's security is of utmost importance. Find a lock that offers top-tier protection and is built to deter any tampering attempts. These locks are crafted to provide superior defense against theft.
For E-bikes
E-bike owners should look for a robust lock to secure their valuable rides. These locks are designed to meet the unique needs of heavier and often-targeted e-bikes, ensuring your investment remains safe.
For Touring Cyclists
Touring enthusiasts require a lock that's both secure and travel-friendly. Search for a lock that offers solid protection without adding excessive weight to your gear. Perfect for those long-distance adventures.

Questions You Might Ask

The main types of bike locks include U-locks, cable locks, chain locks, folding locks, and smart locks. U-locks offer strong resistance to cutting and leverage attacks. Cable locks are flexible and lightweight but generally offer less theft deterrence. Chain locks are sturdy and versatile, while folding locks provide a balance between security and portability. Smart locks may include features such as alarms or Bluetooth connectivity for keyless entry.
The size of the lock should be large enough to secure your bike to a fixed object, but as small as possible to minimize leverage points for thieves to insert tools. The thickness of the lock affects its security level – generally, thicker locks are harder to cut. A good U-lock should have at least 13mm thick shackle to resist bolt cutters. Chain links should also be thick, ideally 10mm or more, to provide substantial resistance to cutting.
Various organizations provide security ratings for bike locks, such as Sold Secure (with ratings like Bronze, Silver, and Gold) and ART (with ratings from one to five stars). Higher ratings typically indicate a lock that can withstand more sophisticated or prolonged attacks. Choose a lock with an appropriate rating for your area's theft risk and the value of your bike.
The locking mechanism is crucial for bike lock security. Look for locks with disc detainer or high-quality pin tumbler locks, which are harder to pick. Avoid locks with basic cylinder locks or simple wafer mechanisms, as they are more vulnerable to picking and decoding. A double-locking shackle, where both ends of the U-lock engage with the locking mechanism, provides additional security against twisting attacks.
Yes, the weight and portability of a bike lock are important to consider. Heavier locks usually offer more security but can be less practical if you travel frequently with your bike. Manufacturers design bike locks with a range of portability options, such as frame mounts or foldable designs. Choose a lock that you are willing to carry with you; a heavy lock left at home does not provide any security.

Currently Active Poll

How to Choose the Most Secure Bike Lock

Are you worried about keeping your precious bike safe from theft? The key to peace of mind lies in selecting a secure lock. This guide will walk you through the essential factors to consider when shopping for a bike lock that keeps your two-wheeled friend secure. We'll cover the types of locks, materials, and features that are designed to deter even the most determined thieves.

Understanding Bike Lock Types

The market is flooded with different types of bike locks, each with its strengths. U-locks are the stalwarts of bike security, boasting tough, unyielding metal that resists cutting and prying. Chain locks offer flexibility and length, allowing you to secure your bike to a variety of anchors, but they can be bulky.
Cable locks provide the convenience of lightweight and adjustable security solutions, but they're typically not as robust as their metal counterparts. Folding locks combine portability with a decent level of protection, but they too have weaknesses. It's crucial to consider where and how you'll be using the lock to decide which type suits your needs best.
When looking at types, also consider the lock's mechanism. Keyed locks are classic and reliable, while combination locks eliminate the risk of losing keys altogether. Both types have their merits, so weigh the pros and cons based on your personal preferences and habits.

Material Matters: Go for Strength and Durability

The material of your bike lock is a top determining factor in its security level. Hardened steel is the gold standard for resisting cutting tools and hammers. Look for locks that specifically mention anti-cut and anti-tamper features in their design, such as double locking mechanisms and reinforced cylinders.
While alloy steels can provide great strength, they're often heavier. Lightweight materials like titanium can offer impressive security without adding too much weight to your daily commute. Be mindful of the lock's thickness, as a thicker lock usually means increased security but also additional weight to carry around.
Even the strongest metal is only as secure as the lock's weakest point. Pay attention to details like the lock cylinder and the locking mechanism. High-quality locks often boast complex cylinders that are difficult to pick and protect against drilling.

Assess Your Security Needs

Your choice of lock should reflect the crime rate and theft patterns in your area. If you're parking your bike in high-risk urban environments, invest in the highest level of security possible. Those in lower-risk areas might prioritize convenience while still ensuring adequate protection against opportunistic theft.
Consider how much time your bike will spend unattended. A quick hop into a store calls for different security than all-day parking on a busy college campus. Long-term storage or overnight parking demands the best security you can afford to prevent your bike from becoming an easy target.
It may also be wise to use a combination of locks, such as a heavy-duty U-lock to anchor your frame and a secondary chain lock to secure the wheels. This layered approach can act as a stronger deterrent and minimize the risk of your bike being stolen.

Lock Brand and Warranty

Just like any security system, brand reputation in bike locks can tell you much about quality and trustworthiness. Do your research on customer reviews and industry tests to see which brands consistently come out on top. A trustworthy brand often stands behind its product with a warranty or anti-theft protection offer.
Some companies also provide a rating system for their locks, based on internal testing against various theft methods. These ratings can be useful for gauging the relative strength and security of the lock against attack.
A warranty isn't just about replacing a defective product; it also shows the manufacturer's confidence in their locks. Brands that offer to compensate you if your bike is stolen due to their lock's failure are particularly credible, suggesting they are dedicated to, and confident in, their lock's performance.

Invest in Your Bike's Safety

Ultimately, consider your bike lock an investment. Skimping on cost might save you a few bucks now, but the true cost of a stolen bike can be many times that. Don't let the price tag be the sole deciding factor. Cheap locks often mean cheap materials and poor construction, which invite thieves.
Remember that a sturdy lock acts not just as a physical barrier but also as a visual deterrent. A high-quality lock signals to would-be thieves that your bike isn't an easy target and that any attempt at theft would be time-consuming and risky.
Keeping your bike safe doesn't have to be complicated. With a little knowledge and the right lock, you can protect your ride and enjoy your cycling adventures without undue worry. Always lock your bike securely, whether you're stepping away for a minute or leaving it for hours, and enjoy the ride with confidence.

Hands-on Reviews and Recommendations from Discussion-Boards

In forming our guidance on the most secure bike locks available, we've curated a selection of resources we deem valuable. These resources span a variety of formats, including expert reviews, community forum discussions, Reddit threads, and informative videos. To ensure a comprehensive understanding, we have organized the links into these four distinct categories for your convenience.
Jul 7, 2022 — For this review of the best bike locks from Abus, Altor, Kryptonite, Litelok, and Sportneer, Consumer Reports tested locks against the tools ...
Read more | Helpful?
Find the Best Bike Lock to Protect Your Bicycle. We test, evaluate, and compare bike locks for resistance to bolt cutters, hacksaws, and hand tools.
Read more | Helpful?
I am partial to the Abus 6500. Folds into a compact package and is a difficult pick and very resistant to grinder attacks. Nut splitters are its ...
Read more | Helpful?
The best bike lock around right now(with a price tag to match) is a Hiplock D1000. The kryptonites everyone's mentioning can still be cut with ...
Read more | Helpful?
A dual-shackle u-lock secures the crossbar on both sides of the shackle, instead of just on one side. Single-shackle locks can be defeated with...
Read more | Helpful?
BIKE SECURITY BEST PRACTICES · Kryptonite Evolution Chain Lock (Series 4 ) · OnGuard's 17mm “Brute” · Kryptonite New York Fahgettaboudit Lock · Abus...
Read more | Helpful?
Kryptonite New York Chain, 14mm. No one is picking your lock, they are angle grinding it. Make it inconvenient for them.
Read more | Helpful?
We Destroyed 6 Of The Best Bicycle Locks - YouTube
YouTube Logo
More bicycle locks from Kryptonite, Hiplok and Litelok, tested to destruction. Want to see other stuff tested? Let us know in the comment...

Share This Article

More about Sports & Outdoor on StrawPoll