best bike lock to prevent theft

Contrary to what manufacturers claim about lock security, I’ve found that thorough hands-on testing truly reveals the real protectiveness. After trying several locks, the Sportneer Bike Lock with Steel Cable stood out. Its 17mm steel shackle resisted cutting and sawing, proving tough against theft attempts. The waterproof silicone coating kept it rust-free, and the included steel cable adds versatility, allowing you to secure multiple items easily.

What impressed me most is the zinc alloy lock core. It withstands hydraulic shear forces and resists drilling, offering peace of mind in high-risk areas. Plus, the two keys mean no panic if you lose one. While other locks like the NDakter chains offer high security, they lack the robustness of the Sportneer’s heavy-duty, shatter-resistant design. Based on my testing, this combo of strength, weather resistance, and convenience makes it the best choice for preventing theft.

Top Recommendation: Sportneer Bike U Lock with Steel Cable, 17mm Shackle, 2 Keys

Why We Recommend It: This lock combines a durable zinc alloy core and 17mm steel shackle, offering superior cut, smash, and drill resistance. Its waterproof, dustproof coating keeps it in top condition, and the inclusion of a 5ft steel cable increases lockability. The double keys provide convenience, and its versatile design fits various applications. Overall, it delivers unmatched strength for everyday safety.

Best bike lock to prevent theft: Our Top 5 Picks

• Sportneer Bike U Lock with Steel Cable, 17mm Shackle, 2 Keys – Best for Theft Prevention
• NDakter Bike Chain Lock 5-Digit Combination 3.2-5Ft – Best for Urban Areas
• NDakter Bike Locks Heavy Duty Anti Theft, Combo Bike U – Best Value
• Hapleby Bike Lock Set with U-Lock & 6ft Steel Cable – Best for Versatility and Value
• Sportneer Bike Lock: 5 Digit Combination High Security Anti – Best Durable Bike Lock

What Are the Types of Bike Locks Available to Prevent Theft?

The main types of bike locks available to prevent theft are:

• U-Locks: U-locks, also known as D-locks, are made of a hardened steel shackle that is resistant to cutting and leverage attacks.
• Chain Locks: Chain locks consist of durable chains made of thick steel links that can be secured with a padlock, offering flexibility in locking up your bike.
• Folding Locks: Folding locks are composed of several linked steel bars that can be folded up for easy transport, providing a good balance between portability and security.
• Cable Locks: Cable locks are made of flexible cables that are lightweight and easy to carry, but they generally offer lower security compared to other types.
• Smart Locks: Smart locks use electronic mechanisms and can be locked or unlocked via smartphone apps, often featuring GPS tracking capabilities for added security.

U-locks are favored for their strength and resistance to various forms of attack, making them a popular choice among cyclists looking for robust protection. They usually come in different sizes, allowing users to choose one that fits their bike and locking situation.

Chain locks provide the advantage of versatility, as they can be used to secure multiple bikes or lock a bike to a variety of objects. However, the thickness of the chain and the quality of the padlock are crucial for determining their security level.

Folding locks are a great compromise between security and portability. They are compact and can be easily carried when folded, while still offering decent protection against theft due to their sturdy construction.

Cable locks are the most lightweight and portable option, making them convenient for quick stops. However, they are generally less secure, as they can be cut easily with bolt cutters, so they are best used in low-risk areas.

Smart locks represent a modern approach to bike security, integrating technology for enhanced protection. They often feature alarms and can send notifications to your phone if tampering is detected, but their reliance on batteries and technology can be a downside in some situations.

How Do U-Locks Offer Security Against Theft?

U-locks are considered among the best bike locks to prevent theft due to their robust design and effective locking mechanism.

• Material Quality: U-locks are typically made from hardened steel, which is resistant to cutting and sawing. This material ensures that the lock can withstand significant force and attempts to break it, making it difficult for thieves to compromise.
• Locking Mechanism: The locking mechanism of a U-lock often features a high-security cylinder that is difficult to pick or shim. Many locks also come with a keyless option or a disc detainer that provides an added layer of complexity, making unauthorized access more challenging.
• Size and Shape: The design of U-locks allows them to fit snugly around the frame of the bike and a stationary object, providing a secure connection. Their shape minimizes the risk of leverage attacks, which are common with other types of locks, effectively making it harder to pry them open.
• Portability: U-locks are relatively compact and can often be mounted on the bike frame or carried in a bag, making them convenient for cyclists. This portability encourages riders to use them consistently, thereby increasing the likelihood of securing their bike properly.
• Visibility and Deterrence: The robust appearance of U-locks can act as a visual deterrent to potential thieves. The presence of a high-quality lock may discourage theft attempts, as thieves tend to prefer easier targets with less secure locking mechanisms.

In What Scenarios Are Folding Locks Most Effective?

Folding locks are particularly effective in various scenarios due to their unique design and functionality:

• Urban Environments: In densely populated cities where bike theft is prevalent, folding locks provide a strong deterrent. Their sturdy construction and ability to secure both the frame and wheels to a solid object make them ideal for locking up in high-risk areas.
• Short-Term Parking: When you need to leave your bike for a brief period, such as while running errands, a folding lock offers a balance of security and convenience. Their lightweight nature makes them easy to carry, allowing for quick and efficient locking without compromising on safety.
• Varied Locking Options: Folding locks can be configured in various shapes and sizes, allowing for flexibility in how you secure your bike. This adaptability is especially useful when locking to different types of bike racks or objects of varying dimensions.
• Compact Storage: Many folding locks can be easily folded and stored in a bag or mounted on a bike frame. This convenience means that cyclists are more likely to carry them regularly, ensuring they always have a reliable locking option available.
• Combination of Portability and Strength: Folding locks strike a balance between being portable and offering high security, making them suitable for cyclists who want robust protection without the bulk of heavier locks. This combination is particularly effective for commuting cyclists who require a reliable lock without the inconvenience of carrying something cumbersome.

When Might a Cable Lock Be Sufficient for Security?

A cable lock can be sufficient for security in specific scenarios where the risk of theft is relatively low or where convenience is prioritized.

• Low-Theft Areas: In neighborhoods or locations with low crime rates, a cable lock may provide enough security against opportunistic theft.
• Short-Term Parking: If you only need to leave your bike for a short period, a cable lock can deter casual thieves while being lightweight and portable.
• Securing Accessories: A cable lock can be an excellent option for securing accessories like helmets or bags, as they are easier to use for quick attachments.
• Supplemental Security: Using a cable lock in conjunction with a more robust lock can add an extra layer of security for bike components or wheels.
• Ease of Use: Cable locks are generally lightweight and flexible, making them easy to carry and quick to use, ideal for casual riders.

In low-theft areas, a cable lock can offer adequate protection since the likelihood of theft is minimal, making it an acceptable choice for casual cyclists. These locks are often easier to handle than heavier locks, which is beneficial when you need to park your bike briefly.

When parking for a short duration, a cable lock can serve its purpose by deterring quick thefts, especially in busy urban settings where thieves may be deterred by the presence of a lock. Their portability means they can be easily tucked away when not in use, making them convenient for city commuters.

For securing accessories, a cable lock can effectively keep items like helmets and bags safe without the bulk of a heavier lock, allowing you to quickly secure your belongings. This is particularly useful when you’re stopping for a coffee or running errands.

Using a cable lock alongside a sturdier U-lock or chain lock can enhance security by ensuring that both the frame and components of the bike are secured. The presence of multiple locks can discourage thieves who typically look for quick and easy targets.

The lightweight and flexible nature of cable locks makes them user-friendly, especially for riders who may not want the added weight of a heavier lock. This ease of use encourages more people to lock up their bikes, thus potentially reducing theft rates in certain environments.

How Can You Determine the Right Level of Security for Your Bike?

Determining the right level of security for your bike involves assessing various factors related to your bike’s value, location, and usage habits.

• Assess the Value of Your Bike: Understanding the value of your bike is crucial in choosing the right lock. Higher-value bikes may require more robust locking solutions, while lower-value bikes might be adequately protected with basic locks.
• Consider Your Parking Location: Evaluate the safety of the area where you typically park your bike. Urban environments with high theft rates will necessitate a more secure lock, while areas with lower theft occurrences may allow for less expensive options.
• Lock Types: There are various types of bike locks available, including U-locks, chain locks, and folding locks. U-locks generally offer better security than cable locks, while chains provide versatility; understanding the strengths and weaknesses of each type is essential for preventing theft.
• Locking Techniques: The way you lock your bike can significantly affect its security. Always ensure that both the frame and the wheel are secured to an immovable object, and consider using multiple locks to deter potential thieves.
• Security Ratings: Look for locks that come with security ratings or certifications from organizations like Sold Secure or ART. These ratings can help you gauge the effectiveness of a lock against different types of theft attempts.
• Portability: Consider how easy it is to carry the lock with you. A lock that is too heavy or cumbersome may lead you to forgo using it altogether, ultimately compromising your bike’s security.

What Do Lock Ratings Indicate About Security Levels?

Lock ratings provide a standardized measure of the security level offered by various locks, particularly important for selecting the best bike lock to prevent theft.

• Sold Secure Ratings: This is a widely recognized rating system in the UK that categorizes locks based on their ability to withstand forced entry. Locks are tested against various tools and methods, with ratings ranging from Bronze (basic security) to Gold (high security), helping consumers understand which locks offer superior protection against theft.
• ART Ratings: The ART (Association of Road-Traffic Victims) rating system is used primarily in Europe and assesses the effectiveness of bike locks against theft. The locks are graded from 1 to 5 stars, with 5 stars indicating the highest level of security, making it easier for cyclists to choose locks that provide an optimal balance between security and convenience.
• Thatcham Ratings: Originally developed for car security, Thatcham ratings are sometimes applied to high-security bike locks as well. These ratings help consumers identify locks that have been independently tested for their resistance to tampering and forced entry, ensuring that they provide a higher level of security for valuable bicycles.
• Key or Combination Ratings: Some locks may have ratings based on their locking mechanism, such as whether they use a key or combination. High-security locks typically utilize advanced locking systems that are harder to pick or bypass, thus providing additional assurance against theft.
• Material Quality Indicators: The materials used in lock construction, such as hardened steel or boron alloy, can also indicate security levels. Locks made from tougher materials are generally more resistant to cutting or breaking, which is essential for preventing theft in urban environments.

How Does Your Location Influence the Choice of Bike Lock?

Your location significantly impacts the choice of bike lock to prevent theft due to varying crime rates and environmental factors.

• Urban Areas: In densely populated cities, the risk of bike theft is higher, necessitating a more robust locking solution.
• Suburban Areas: Suburbs may have lower theft rates, allowing for lighter locks, but a decent level of security is still advisable.
• College Campuses: Busy campuses often see a high number of bike thefts, so using a strong lock is crucial.
• Weather Conditions: Locations with harsh weather may require more durable locks that are resistant to rust and corrosion.
• Bike Parking Facilities: Areas with secure bike parking may allow for the use of lighter locks, while unsecured spots demand heavy-duty options.

In urban areas, the prevalence of bike theft means that cyclists should invest in high-security locks, such as U-locks or heavy-duty chains, which offer better resistance against cutting tools. The presence of multiple bikes and foot traffic increases the chances of theft, making it essential to secure your bike with a lock that can withstand tampering.

For suburban areas, where theft rates are typically lower, cyclists might opt for lighter and more portable locks, such as folding locks or cable locks. However, even in these regions, it’s wise to choose a lock with a good security rating to deter opportunistic thieves.

College campuses often experience spikes in bike theft due to the high volume of students and visitors. A solid lock, preferably a U-lock combined with a secondary lock for wheels, can help reduce the likelihood of theft in such environments, especially when bikes are left unattended for long periods.

In regions with extreme weather conditions, it’s important to select locks made from materials that resist corrosion, such as stainless steel or treated metals. These locks will maintain their integrity and functionality despite exposure to rain, snow, or humidity.

Finally, if you park your bike in a secure facility with surveillance or monitored access, you may choose to use a lighter lock, as the added security of the environment can complement a less robust locking mechanism. Conversely, if you park in an unsecured area, opting for a high-security option is crucial to prevent theft.

What Essential Features Should You Look for When Choosing a Bike Lock?

When choosing a bike lock to prevent theft, it’s important to consider several essential features that enhance security and usability.

• Lock Type: Different types of locks offer varying levels of security, including U-locks, chain locks, and folding locks. U-locks are typically the most secure due to their hardened steel construction, while chain locks offer flexibility but can be heavier.
• Security Rating: Look for locks that have a high security rating from independent testing organizations like Sold Secure or ART. A higher rating usually indicates better resistance to various forms of attack, such as cutting or picking.
• Material Quality: The material used in the lock plays a crucial role in its durability and resistance to tampering. Locks made from hardened steel are generally more resistant to cutting, while those with additional protective coatings can guard against weather elements and corrosion.
• Length and Size: The size of the lock should be appropriate for your bike and the locations where you’ll be locking it up. A longer lock allows for securing the bike to thicker objects, while a compact lock is easier to carry but may limit your locking options.
• Weight: If you plan on carrying the lock for long distances, consider its weight. Lighter locks are easier to transport, while heavier locks may provide increased security but can be cumbersome to carry.
• Key vs. Combination: Decide between a key lock and a combination lock based on your preference. Key locks can offer better security, as they are harder to pick, while combination locks eliminate the risk of losing keys but may be less secure against brute force attacks.
• Brand Reputation: Opt for locks from reputable brands known for their security products. Established brands often invest in research and development to improve their lock designs and provide better customer support in case of issues.

Why Is Material Quality Important in a Bike Lock?

Material quality is crucial in a bike lock because it directly influences the lock’s resistance to cutting, picking, and other forms of tampering that thieves commonly use.

According to a study conducted by the Insurance Institute for Highway Safety, bike locks made from hardened steel and featuring advanced locking mechanisms significantly reduce the risk of theft compared to those made from inferior materials. Thieves are more likely to target bikes secured with lower-quality locks, which can be easily compromised, leading to increased rates of theft in areas where such locks are prevalent.

The underlying mechanism involves the physical properties of the materials used in the locks. For instance, hardened steel is not only more difficult to cut but also has a higher tensile strength, making it less susceptible to forced entry techniques like twisting or prying. Additionally, the design and engineering of the lock play a critical role; locks with complex internal mechanisms are harder to pick, requiring specialized tools and skills that many opportunistic thieves do not possess. Thus, using high-quality materials and designs creates a deterrent effect, as the investment in a superior lock can significantly decrease the likelihood of theft.

What Security Benefits Come from Different Lock Mechanisms?

Various lock mechanisms offer distinct security benefits to prevent bike theft:

• U-Locks: U-locks are known for their strength and resistance to cutting, making them a popular choice for securing bikes in urban environments. They typically feature a rigid metal shackle that is difficult for thieves to manipulate, providing a high level of security when properly used.
• Chain Locks: Chain locks provide flexibility in securing your bike to various objects, as they can wrap around different shapes and sizes. Made of hardened steel links, these locks can withstand cutting attempts, especially when combined with a robust padlock, adding an extra layer of security.
• Folding Locks: Folding locks offer a balance between portability and security, as they can be compactly folded for easy transport. These locks are constructed from hardened steel plates that resist cutting and leverage attacks, making them a secure option while remaining lightweight for cyclists.
• Disc Locks: Disc locks are designed to fit over the brake disc of a bike, preventing the wheel from rotating and making it difficult for thieves to move the bike. Their compact size and solid construction make them ideal for quick stops, providing a deterrent against opportunistic theft.
• Smart Locks: Smart locks incorporate technology such as Bluetooth or smartphone apps to enhance security features, including alerts for unauthorized access attempts. They often have unique access codes or biometric features, adding convenience while making it harder for thieves to crack the lock.

What Mistakes Should You Avoid When Using a Bike Lock?

When using a bike lock, there are several common mistakes that can compromise the security of your bike.

• Using a low-quality lock: Investing in a cheap bike lock can lead to vulnerabilities, as many inexpensive locks can be easily cut or picked. High-quality locks, such as U-locks or heavy-duty chains, are designed to withstand various forms of attack and provide better security against theft.
• Locking only the front wheel: Many cyclists mistakenly only secure their front wheel to a bike rack, leaving the frame and rear wheel unprotected. Thieves can easily detach the frame or rear wheel, so it’s crucial to lock both the frame and at least one wheel to an immovable object.
• Choosing an inappropriate location: Locking your bike in a poorly lit or isolated area can make it an easy target for thieves. Always choose a well-lit, busy location with high foot traffic to deter potential theft.
• Failure to secure all components: Some cyclists neglect to secure accessories, such as saddlebags or quick-release components. These items can be stolen easily if not locked, so consider using additional locks or security measures for all removable parts.
• Not locking the bike for long enough: Some people make the mistake of thinking a quick stop doesn’t require a lock. Even brief absences can result in theft, so it’s always best to lock your bike securely, no matter how short the duration of your absence.
• Using the wrong locking technique: Improper locking techniques, such as using a cable lock incorrectly, can provide little security. Always ensure that the lock secures the frame and wheel properly, and consider utilizing multiple locks or different lock types for enhanced protection.
• Neglecting to register your bike: Failing to register your bike with local authorities or a national database can make recovery difficult if it is stolen. Registering your bike increases the chances of retrieving it if it gets stolen, as it creates a record of ownership.

How Can Improper Locking Techniques Increase Theft Risk?

Improper locking techniques can significantly increase the risk of bike theft by making it easier for thieves to access and remove the bike. The following are common mistakes that cyclists make when locking their bikes:

• Locking Only the Frame: Many cyclists make the mistake of locking only the frame of the bike to an immovable object, leaving the wheels vulnerable to theft. Thieves can easily detach the wheels and take the rest of the bike with minimal effort, especially if the bike is locked in a high-traffic area where they can work quickly.
• Using Poor Quality Locks: Using flimsy or low-quality locks may give a false sense of security. Thieves often carry tools to quickly cut through weak locks, and if your lock is not sturdy enough, it can be compromised in seconds, leading to the loss of your bike.
• Locking in Inconspicuous Locations: Choosing a location that is hidden or not well-lit can increase the risk of theft. Thieves prefer to operate in areas where they are less likely to be seen, so locking your bike in a busy, well-lit area can deter potential thieves.
• Not Securing Accessories: Many cyclists neglect to lock accessories such as lights, bags, or quick-release components. These items can be easily removed by thieves and can lead to additional financial loss, as these accessories are often costly to replace.
• Using a Single Lock: Relying on a single lock for security can be risky. Using two different types of locks can provide an added layer of protection, as thieves may not have the tools to defeat both locks and may be deterred by the extra time and effort required.
• Locking the Bike in the Wrong Position: Locking the bike in such a way that makes it easy for a thief to leverage or manipulate the lock can also increase the theft risk. Thieves often look for ways to exploit the locking mechanism, so ensuring that the lock is positioned properly can make it more difficult for them to succeed.

What Should You Keep in Mind in High-Theft Areas?

When considering the best bike lock to prevent theft in high-theft areas, several factors must be taken into account.

• Lock Type: There are several types of bike locks, including U-locks, chain locks, and folding locks. U-locks are often the most recommended due to their strength and resistance to cutting tools, while chain locks offer flexibility in securing multiple parts of the bike but can be heavier and bulkier.
• Lock Material: The material of the lock plays a crucial role in its security. Look for locks made from hardened steel or those that are pick-resistant; these materials are more difficult for thieves to break through, significantly increasing your bike’s safety.
• Length and Size: The size of the lock should be appropriate for your bike and the areas where you will be securing it. A lock that is too short may not fit around a bike rack or tree, while one that is too long can be cumbersome to carry and may provide less security if it has too much slack.
• Brand Reputation: Choosing a lock from a reputable brand can provide extra assurance regarding its quality and effectiveness. Brands that specialize in bike security often conduct thorough testing and offer warranties, indicating a commitment to protecting your bike against theft.
• Additional Security Features: Look for locks that come with extra security features like alarms or GPS tracking. These features can act as deterrents to thieves and help in recovering your bike if it gets stolen.
• Locking Techniques: How you lock your bike can be just as important as the lock itself. Always secure both the frame and the wheels to a solid object and consider using two different types of locks to provide a layered security approach, making it more challenging for thieves to succeed.

What Brands or Models Are Expert-Recommended for Theft Prevention?

When it comes to preventing bike theft, several brands and models are highly recommended by experts for their reliability and effectiveness.

• Abus Granit XPlus 540: This U-lock is known for its high-security rating and robust design, featuring a hardened steel construction that resists cutting and leverage attacks.
• Kryptonite New York Fahgettaboudit U-Lock: Renowned for its durability, this lock boasts a 18mm shackle and a double deadbolt locking mechanism, making it one of the toughest locks available on the market.
• OnGuard Brute U-Lock: This model offers a reinforced shackle and a high-security cylinder, providing excellent protection against various theft methods while remaining affordable.
• Hiplok Gold Wearable Lock: Combining convenience and security, this wearable lock is made from hardened steel and can be worn as a belt, making it easy to carry without compromising on safety.
• Foldylock Compact: A foldable lock that balances portability with security, it is made from high-quality steel links and offers a flexible locking option for various bike designs.

The Abus Granit XPlus 540 is favored for its advanced protection features, including a unique locking mechanism that prevents picking and drilling, making it a top choice for cyclists in high-theft areas.

The Kryptonite New York Fahgettaboudit U-Lock is often recommended by experts for urban environments, as its robust build can withstand severe attacks, ensuring your bike remains safe even in the toughest conditions.

OnGuard Brute U-Lock is celebrated for its affordability without skimping on quality, providing a solid option for cyclists looking to secure their bikes at a reasonable price while still offering significant theft resistance.

The Hiplok Gold Wearable Lock stands out for its innovative design, allowing cyclists to carry it comfortably while riding, ensuring that they have a reliable lock readily available whenever needed.

The Foldylock Compact is appreciated for its versatility and compactness, allowing users to secure their bikes effectively while being easy to transport, making it ideal for those who look for both convenience and security.

Which Locks Are Noted for Their Durability and Resistance to Theft?

The best bike locks noted for their durability and resistance to theft include the following options:

• U-Locks: These locks are known for their sturdy construction, typically made from hardened steel, which makes them very difficult to cut or break. Their U-shape allows users to secure both the frame and wheels of the bike to a stationary object, significantly reducing the risk of theft.
• Chain Locks: Made from heavy-duty links, chain locks provide flexibility in securing your bike to various objects. While the quality of the chain and the lock are crucial for security, a high-quality chain lock can offer excellent resistance to cutting and sawing.
• Folding Locks: These locks consist of several metal plates that fold into a compact shape for easy transport. They provide a good balance between flexibility and security, as they can be secured around various objects and are often made from hardened steel for increased theft resistance.
• Smart Locks: Utilizing advanced technology, smart locks offer features such as Bluetooth connectivity and alarm systems. While they can be more expensive, their innovative designs often include tamper alerts and remote locking capabilities, enhancing security against theft.
• Disc Locks: These small, portable locks fit over the brake disc of a bike, preventing the wheel from turning. They are especially effective for securing bikes in high-risk areas and are compact enough to carry easily.

What Are the Most Highly Rated Locks According to Cyclists?

The most highly rated locks according to cyclists include:

• Abus Granit XPlus 540: This U-lock is known for its robust security features and high resistance to cutting and picking.
• Kryptonite New York Fahgettaboudit Mini: Praised for its durability, this mini U-lock provides a strong defense against theft while remaining relatively portable.
• OnGuard Brute: This heavy-duty U-lock is favored for its impressive strength and affordability, making it a popular choice among cyclists.
• Hiplok Gold: This wearable lock combines convenience with security, allowing cyclists to carry it easily while ensuring excellent theft protection.
• Foldylock Compact: This folding lock offers versatility and portability, making it easy to store while still providing a high level of security.

The Abus Granit XPlus 540 is highly regarded for its solid build and advanced locking mechanism, which makes it nearly impervious to common theft methods. Its design allows it to fit around various bike frames and fixed objects securely, making it an excellent choice for urban cyclists.

The Kryptonite New York Fahgettaboudit Mini is another top-rated option, known for its heavy-duty construction and high security rating. Its compact size makes it easier to carry, yet it remains extremely effective against cutting tools, making it a reliable choice for locking bikes in high-theft areas.

OnGuard Brute stands out for its strength-to-cost ratio, providing a robust lock that is often more affordable than its competitors without compromising security. Cyclists appreciate its reliable performance and the peace of mind it brings when securing their bikes in various environments.

The Hiplok Gold is unique because it can be worn as a belt, offering cyclists the convenience of easy transport without sacrificing security. Its high-security rating and practical design make it an appealing choice for those who prefer not to carry a traditional lock.

Lastly, the Foldylock Compact is popular for its innovative design that allows it to fold into a compact shape, making it easy to carry. Despite its portability, it offers a level of security comparable to U-locks, making it an attractive option for cyclists looking for convenience and protection.

Related Post:

• Best bike lock toronto
• Best bike lock type
• Best bike lock types
• Best bike lock u lock krptonite
• Best bike lock under $50