10 Best Bike Locks Compared and Fully Reviewed

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Those who’ve invested in biking as one of their great hobbies will understand the true cost of the pastime–especially if they’ve had to pay to replace their stolen bike. Bike theft statistics in the US are severely lacking but it is a serious issue that has yet to see a widespread solution. A Montreal study estimated that roughly half of all cyclists have had their bike stolen and it’s extremely unlikely that you’ll recover it if it isn’t registered. If you’re particularly fond of your bike then it is worth your while to buy some protection, and the price of a bike lock is nothing compared to what you might have to shell out if it gets snagged.

We’ve done our homework and put together a selection of bike locks that we consider to be the best of the best. These locks won’t guarantee that your bike won’t be stolen, but it will make stealing your bike no easy task and discourage casual thieves. Check out our custom criteria for advice on how to choose the perfect bike lock for you, as well as our FAQ for tips on theft prevention and bike recovery.

Last Updated: July 26, 2018
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By Max Knapp:

In an effort to keep up to date with all of the worthy products out there, we have gone into this guide and made a few necessary changes. Although the general information hasn't changed much since our last update, the product option have a little bit. Check out the newest additions to our list of the top 10 bike locks. 07/26/18 This update sees the addition of the Sigtuna Gear 16mm U-lock, which is a great option with plenty of practical features for those who live in high-risk areas. We've also updated the information on each lock about the Sold Secure rating for accuracy and added some useful tips on theft prevention and bike recovery. Did you know that your fitness apps may be making you a target for bike theft? Check out our FAQ to find out how to protect yourself from tech-savvy potential thieves.

Kryptonite KryptoLok Series 2
  • Kryptonite KryptoLok Series 2
  • 5 out of 5
    Our rating
  • Lightweight
  • Price: See Here
Kryptonite NY Mini
  • Kryptonite NY Mini
  • 4.5 out of 5
    Our rating
  • Great protection
  • Price: See Here
Kryptonite Evolution Mini-5
  • Kryptonite Evolution Mini-5
  • 4 out of 5
    Our rating
  • Easy to use
  • Price: See Here

 

10 Best Bike Locks

 

1. Kryptonite KryptoLok Series 2

An excellent u-lock with a silver sold secure rating and plenty of rave reviews from consumers. It even comes with a separate cable so you don't have to spend money on extra u-locks for your bike accessories.
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Sold Secure Rating

Kryptonite is the biggest name in bike locks for a reason. Their locks are built with toughness in mind. This particular model can withstand cutting attempts and won't break if twisted. It's 12.7mm thick to ensure thieves can't easily cut their way to your bike. It has a silver sold secure rating, which makes it a great choice for users in less densely populated areas or those who aren't riding fancy bikes.

Kryptonite has their own security rating, too, and they rate this particular lock a 6/10. It'll keep most bikes safe unless you're locking up for hours at a time in a high crime area.

Portability

U-locks aren't the lightest types of locks out there, but it's fairly easy to slip this lock into a bag and transport it. It's also fairly lightweight according to reviewers. It also comes with a way to mount it to your bike so you don't even need to make space in your bag for it.

Locking Mechanism

This u-lock uses a double deadbolt to ensure your bike doesn't get snatched. You need to make sure to bring a key along but a key lock is tough for thieves to pick and get access to.

Extra Features

The bike lock is backed by an impressive Lifetime Warranty and comes with a protection service offer from the brand. It's also sold with an extra cable that's 4 feet in length so you can secure other parts of your bike.
Pros
  • Lightweight
  • Sturdy
  • Can be mounted on bike
  • Lifetime Warranty
Cons
  • Large size may offer too much leverage to potential thieves

2. Kryptonite New York Fahgettaboudit

This brightly colored u-lock provides gold level security. It's perfect for locking up a bike for hours at a time or securing a bike somewhere with high crime rates.
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Sold Secure Rating

This u-lock comes with a sold secure gold rating thanks to its 18mm thickness and smaller profile making it tough for thieves to break through.

Portability

Fairly heavy, so it's not the most portable option but it is smaller in profile than some other models making it easy to find room for it in a bag or backpack.

Locking Mechanism

Uses a deadbolt lock with key to secure. Unless your thief is a proficient lock picker, they won't be able to get through unless they try to cut through, which is near impossible. The keyhole is also located in such a way that even skilled lock pickers will have trouble reaching it.

Extra Features

It's covered with vinyl so that the lock doesn't scratch your bike. The u-lock is also sold with three keys so you won't have to worry about losing them or forgetting one. Just put one in each of the bags you own! One of the keys comes with an LED light.
Pros
  • Impossible to pick
  • Great protection with thick design
  • Comes with three keys
  • Small size makes it harder for thieves to get access to your bike
Cons
  • Some had problems affixing it to their bike because of its small size
  • Heavy

3. Kryptonite Evolution Mini-5

The Mini-5 U Lock by Kryptonite is a compact lock that fits tightly so would-be thieves will struggle to get their tools around your frame. It's smaller, so it's easy to transport and comes with three keys which is perfect for the forgetful rider.
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Sold Secure Rating

The Evolution Mini-5 has a sold secure silver rating and is 13mm thick. It's made of thick steel that's resistant to certain types of cutting tools.

Portability

It's more portable than other Kryptonite brand u-locks with an overall weight of 1.94lb making it way easier to carry. It's smaller, which accounts for the lower weight.


Locking Mechanism

This lock requires a key to open and the locking mechanism is placed to discouraged lock pickers. Like the New York model above, the Mini-5 also comes with three keys - one of which can function as a mini LED flashlight.

Extra Features

The lock comes with a special mounting bracket so that it can easily be transported. The angle of the lock is ultra-adjustable, too, and a special dust cover keeps out dust and debris so the lock area doesn't get grimy over time. The Mini-5 also comes with a Lifetime Key replacement offer, so even if you manage to lose all three keys, you don't need to worry.
Pros
  • Compact sizing
  • Rubbery coating won't scratch bike frame
  • Easy to use 
  • Portable 
  • Secure 
Cons
  • Key can be inconsistent

4. Amazer

4. Amazer
This affordable bike lock option comes in a u-shape to make it harder for thieves to cut through. Though it doesn't feature a sold secure rating, reviewers were pleased with its performance and found it a secure and sturdy option for their anti-theft needs. It's a good choice for riders in low-crime and rural areas.
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Sold Secure Rating

This bike lock doesn't come with a sold secure rating but the company does offer a 30-day money back guarantee. The lock is 12mm thick and made of zinc alloy. A u-lock shape is a good option for protecting your bike as long as the fit is tight enough to keep tools from getting in between the lock and your bike.

Portability

The lock weighs about 1.8 lbs which makes it more portable than other options but users still commented on how heavy it was.

Locking Mechanism

Using a combination lock is less secure than a key option but for users in low-crime areas or who need a lock for short periods of time, a combo means you don't have to worry about forgetting a key. For this lock, a 4-digit code is required.

Extra Features

The lock is covered in a PVC coating which actually makes it thicker. This lining helps prevent your frame from getting scratched.
Pros
  • Easy to use and change combo
  • Protective PVC coating
  • No chance of forgetting key
  • Affordable 
Cons
  • Heavy 

5. Abus Mini

5. Abus Mini
The Abus Mini U-lock comes in two sharp color options and is a small bike lock that's capable of fully securing your ride. The small size makes it hard to thieves to get in edgewise and a thick construction makes it tough for tools to break through.
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Sold Secure Rating

Abus is a company known for building quality bike locks. This model features a sold secure rating of silver. This option is no exception. It's 14mm of sold steel that's between a bike thief and your precious ride. The lock is also rust resistant.

Portability

It's mini alright. The small bike lock is easy to fit inside a pocket or bag compartment and weighs less than large u-lock options.

Locking Mechanism

This lock uses a key so you'll need one if you want to open it up. A double bolt mechanism ensures maximum security.

Extra Features

A soft coating on the exterior of the lock keeps your bike from getting damaged.
Pros
  • Thick construction 
  • Materials prevent scratches
  • Corrosion resistant
  • Tight fit is harder to break
Cons
  • Does not come with a mount 
  • Heavy despite small size 

On-Guard 8005 Pitbull

On-Guard 8005 Pitbull
And what if you live in high crime area and you need the gold solid secure rating. Well, we’ve got a solution for you and it’s called On-Guard bike lock.
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Solid Secure Rating
It’s resistant to prying, cutting. Thanks to the crossbar and shackle coatings, the lock is even more sturdy. The solid secure rating is gold so it’s very protective.

Portability
We need to admit that it’s not very lightweight and it’s bulky bot for the safety, we would be ready to carry it.

Locking Mechanism
Quattro bolt locking mechanism allows to lock the shackle on 4 sides. It’s very easy to attach the lock to the bike.

Extra Features
There’s multi positioning bracket and 5 laser cut keys.
Pros

Great security

It has a ling cable

Cons

It’s heavier and bulkier than an average lock

Squire Mako Conger

Squire Mako Conger
Get your bike a protection thanks to the Squire Mako Conger. This one has a little bit different design than most products on our list but it’s definitely worth testing.
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Solid Secure Rating
This brand has been on the market since 230 years and their locks are said to be one of the best. This model is Sold Secure Bronze rating but they also offer silver and gold.

Portability
There’s a carrying bracket so you can fasten the lock to the frame of your bike for easier carrying.

Locking Mechanism
Surprise- you don’t need a key here. There’s 5 wheel combination lock.

Extra Features
It’s like a chain, it’s very strong but at the same time it’s very flexible.
Pros

It’s hardened steel chain

flexible

Cons

It’s rather expensive

Hiplok DX

Hiplok DX
Living in city or place where bikes are stolen very often, you should get a lock to make your bike safer. If you want something with very high level of protection, check Hiplok DX lock.
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Solid Secure Rating
It has highest secure rating- gold. There are 3 keys with special coded replacement program.

Portability[et_social_share_media]
Some users complained that it’s heavy and it would be better if the weight was smaller. However, users didn’t have any problems with carrying it in bags or on the belts thanks to the Clip + Ride system.

Locking Mechanism
There are anti-twist shackle tabs, a hardened steel construction with nylon outer shell.

Extra Features
The possibility to fit belts. Although the weight of the product is 1250 grams, designers made the overall construction rather slim.

Pros

 The users were pleased with the length of the lock

Reasonable pricing for this quality

Cons

This lock is definitely on the heavier side

Abus Granit X-Plus

Abus Granit X-Plus
If you want a really solid product, have a look at Abus Granit X-Plus and see its features.
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Solid Secure Rating
This brand is known from making very solid bike locks. This one is resistant to cropping and twisting. Their locks have been tested many times and they did the job.

Portability
The height is 300mm and the width is 108 mm. It’s not the smallest on our list and there may be a problem to wear it in the pocket.

Locking Mechanism
Thanks to the Powercell double locking mechanism, pulling attacks or hitting won’t be efficient and your bike will be protected every time you use the lock. X Plus locking system is well designed. The automatic keyhole cover is easy in using and it also protects the lock against corrosion.

Extra Features
There’s a LED illuminated key along with special code card.
Pros

Solidly built Easy to attach

Cons

It's big

Sigtuna Gear 16mm U-lock

Sigtuna Gear 16mm U-lock
The Sigtuna u-lock is a super affordable yet heavy-duty choice for cyclists that are working with a more conservative budget. It is great for high-risk areas as well as being versatile with a cable and u-lock combo.
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Sold Secure Rating

This u-lock doesn’t have a sold secure rating, but when compared side by side to the Kryptonite Kryptolok series (which has a silver sold secure rating) it definitely measures up. The cable is made from strong braided steel and covered with vinyl to make it harder to cut.

Portability

This lock is a bit heavy and can be a little more difficult to carry with you. However, the u-lock itself can be used separately from the cable, which can also be used with other u-locks.

Locking Mechanism

The locking mechanism on this Sigtuna lock has double deadbolts that affix both sides to the crossbar and is made of 16mm of heavy duty steel, making it unlikely that potential thieves will be able to drill it. The keyhole has a cover and the lock comes with two Abloy keys.

Extra Features

This comes with a mounting bracket and the combination of the u-lock and the reinforced cable means you can choose the style in which you lock up your bike. The keyhole cover doesn’t just protect from theft, but from weather and dust too.
Pros
  • 16mm steel u-bolt
  • Braided steel 1200mm cable
  • Double deadbolt
  • One-button release mounting bracket
  • Vinyl coating
  • Affordable
  • CELAB certified
  • Keyhole cover
  • Cons
    • Heavy

     

    Our Evaluation Criteria

    We chose each of the bike locks on this list according to their sold secure rating, how easy they are to transport, the locking mechanism, and any extra features they offer the user. Below we delve into each of these criteria, explaining each one and why we think it defines the locks we chose. We hope that you can use these metrics to get a better understanding of what to look for in a quality bike lock, helping you to make a confident and competent buying choice in the future.

    Sold Secure Rating

    What exactly does this rating mean and where does it come from? Sold Secure is a non-profit from the UK that tests bike locks to help users choose a lock that’s right for their needs. It’s not always easy to determine the difference in security from one bike lock to another, so Sold Secure helps with that process. There are three security classifications: Gold, Silver, and Bronze. Of course, no bike lock is indestructible. However, the most secure locks will take more time and effort to cut or break through. Gold rated locks are best for high crime areas since they are the strongest and most secure. Silver rated locks are usually less expensive and are better suited to lower crime areas or for bikes that are less pricey, to begin with. Bronze level locks are meant to keep a bike secure for quick stop-ins to stores or for very low crime areas where the possibility of your bike getting stolen is low. On our list, you’ll find mostly Gold and Silver-rated locks. Some locks on the list do not have a Sold Secure Rating. These locks tend to be very inexpensive and are appropriate for cheap bikes or low crime areas. They were chosen because of high ratings from consumers.

    Portability

    If you’re riding somewhere and locking up your bike, you need to carry your lock with you so portability definitely comes into play. Smaller more compact locks are easy to store away, as are folding locks, but most secure bike locks tend to be fairly heavy. The tougher it is to get that bike lock open, the heavier it’s going to be. Some bike locks come with mounts so you can attach them right to your bike without needing to make space in your bag. Consider the bag you usually bike with and whether you have space to fit your new bike lock.

    Locking Mechanism

    There are a few kinds of locking mechanisms. On this list, you’ll find that key locks make up the majority of the bike locks. If you choose a key lock, you need to be mindful to have your key on you at all times which some may find annoying but key locks are a good choice because they’re quite tough to crack. Modern key bike locks are almost impossible for lock pickers to get into and if they do, it’ll take them a while before they can pick the lock successfully. The list also features two types of combination locks. One uses digits and the other requires the user to remember a 4-letter word. Most combination locks require either 4 or 5-digits. They’re easier to figure out than a lock that needs a key so, in terms of security, they’re a downgrade.

    Extra Features 

    What kinds of extra features might you want to consider when it comes to a bike lock? A lock should be covered or have a finish to ensure it doesn’t scratch up your bike. Some locks also come with extra keys or a key replacement program in case you misplace or lose yours. Expensive heavy duty locks come with warranty and guarantee programs. If your bike gets stolen there’s a process to go through to claim some of the cost. If this interests you, check out the bike lock company’s website to see what the rules and limitations are.

    Other Considerations

    Here are a few other things to know and keep in mind when choosing a new lock for your bike.

    Type of Lock

    There are a few main types of bike locks that you’ll find on this list and for sale. A u-lock is one of the most popular, and for good reason, they’re usually made of super-strong materials that are way tougher to get through even with high-quality tools used by thieves. The shape makes it easy to secure a bike so that little room is left which means thieves can’t easily get leverage to break the lock. They are, however, more expensive than other kinds of locks. But if you want the most protection, they’re your best bet. Most u-lock require keys to open. Chain locks and cable locks are easier to use since they aren’t rigidly formed like a u-lock. This makes it easier to quickly lock up a bike to virtually anything. Cable locks are lighter while chain locks can get pretty cumbersome to carry. Both are secure options but it’s not super tough to break through especially for the determined thief. A foldable lock is a newer kind of lock that is great for storing and transporting. Like cable and chain locks, they’re less secure.

    Your Area

    Where you ride and lock up your bike matters. If you’re locking up your bike in an area with a lot of people, many other bikes, and cameras, it’s unlikely that a thief will choose to steal your bike. That is unless you make it easy for them. Most bike thieves aren’t looking to spend a lot of time to steal a bike. The longer it takes, the higher the chance that they’ll get caught doing so. They’ll target the easiest mark right off the bat, so don’t make it your bike. High crime areas require the most secure bike locks while you can get away with a less expensive lock if you live in a non-metropolitan, safe neighborhood.

    Properly Locking Up Your Bike

    Badly locking up your bike can be just as bad as forgetting to lock it at all. There are countless cyclists out there who are still kicking themselves for only choosing to secure and lock up their front wheel. A thief can easily remove the wheel and make off with the rest of the bike. If you’re really concerned about bike thievery, wrap your lock around both your frame and wheel. You can even use more than one lock to really deter thieves. Avoid locking up your bike in an area that’s dark and away from everyone else. Not only is it unsafe for your bike (a thief can work away at your lock without being interrupted), it’s not exactly safe for you either when you come back to your bike later. In a sea of other bikes, choose a spot to lock up that’s next to a nice expensive bike or, at least, one that’s nicer than yours. Thieves want either an easy target or an expensive one.

    Price 

    Not every bike accessory should be chosen according to price but with bike locks, more expensive usually means more secure. If you’re not sure which option to choose, think about how much you paid for your bike. Are you willing to skimp on the cost of a bike lock and lose out on the money you paid for your bike if it gets stolen? If the answer is yes, then by all means, go for an inexpensive option. But if you paid good money for your bike and appreciate its value, go with the pricier lock.

     

    FAQ

    Q. I have a really expensive road bike. How can I keep it safe from thieves?

    A. Even the most intense bike lock can’t keep your bike safe from determined criminals. If you have a particularly expensive road bike you may want to consider purchasing a second-hand bike for commuting so you don’t have to worry all day while your pricey ride is sitting vulnerable at the bus or train station.

    Q. Do I really need a bike lock? I don’t live in a big city and don’t leave my bike unattended very long.

    A. It’s your call, but an unlocked bike to a bike thief is easy prey. It takes less than a minute to grab your unsecured bike. Honestly, better to secure it just in case.

    Q. If all bikes locks can be broken into, what makes one more secure than another?

    A. More secure locks are thicker and made of stronger materials. This doesn’t mean they’re indestructible but it does mean it takes way longer for a thief to break them.

    Q. What about those new fancy WiFi enabled locks?

    A: If you’re looking for cool new tech options, WiFi locks may not be the way to go.  They’re pricey and aren’t as secure as a u-lock. There are other gadgets that might be more useful, however. Motion sensing alarms and GPS trackers might be helpful for keeping track of your bike, especially if you live somewhere more secluded. Also, consider the tech you already have and how that may increase the chances your bike will be stolen. Some fitness trackers are great for connecting with other cyclists and showing off mileage and routes, but they can also make you a target. Check your privacy settings and see if the apps you’re using have security options to keep your workplace and home address hidden.

    Q. What else can I do to make sure my bike doesn’t get stolen?

    A: It is definitely better to take preventative measures when it comes to bike theft. The likelihood that you’ll recover your bike is very small after it gets stolen, so make sure you do everything you can to prevent it before it happens. A bike lock is a good first line of defense. Invest in a quality lock and try to make a habit of always locking up your bike using the frame and the wheels, if the lock allows. This will discourage people from dissembling the bike for easy access. In this same line of thinking, be aware of other custom components and how easy they are to remove or take. Consider anti-theft bolts.

    When choosing a place to lock up your bike, think about location. Easy to access areas that have heavy foot-traffic may prevent people from trying to steal your bike because of sheer visibility; on the other hand, a secluded area may mean your bike is less likely to get noticed. Weigh your options. Also, don’t assume that just because you’re somewhere familiar that your bike is safe. If your workplace has a garage or bike parking area be sure to still bring your lock, and if you park your bike in your garage lock it up. An open garage may prove an easy target.

    Finally, be prepared for the day your bike may be stolen. Take pictures of your bike in advance and hang on to purchase receipts. Record the make, model, and the serial number of your bike. Some locks have the option to register your bike, or you can check out free bike registry systems online. These may raise your chances of recovering your bike if it is found.

    Sources

    1. Andreas, Bike Locks Guide – Bike Lock Options, Cycling Blog, Jan 01, 1970
    2. NA, Solid Secure Gold bike locks: The List, Bike Lock Website, Nov 06, 2017
    3. NA, U-lock Comparison, Bike Lock Website, Nov 06, 2017
    4. NA, Bike Lock Company , Website, Nov 06, 2017
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