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7 Top Bike Lock For Car Racks Recommended By Experts | You Must Buy In 2023

Bike lock for car rack

Are you an avid bike rider who loves to hit the road on your two-wheeled vehicle? Do you often drive to a new location to explore new trails or roads? If so, you know the importance of bike locks for car racks.

A bike lock for a car rack is a locking system designed specifically to secure your bike to your car rack while on the go. A secure locking mechanism and durable materials make these locks durable and prevent tampering or theft.

Bike locks for car racks are essential accessories for any bike rider, whether on a road trip or just driving down the road. You can ride with peace of mind knowing that your bike is secure in your car, freeing your mind to concentrate on the road.

So whether you’re a weekend warrior or a seasoned pro, keep your bike safe and secure with these bike locks for car racks. Happy cycling!

Overview List Of The Best Bike Lock For Car Racks

Are you tired of worrying about the safety of your bike when you’re out and about? Investing in a good bike lock can give you the peace of mind to enjoy your rides without worrying about theft.

In this overview list, we’ve compiled some of the best bike locks, so you can choose the one that best fits your needs. Keep reading to find the perfect bike lock for car racks.

lock for car bike rack
Kryptonite New York Bike U Lock
  • Brand: Kryptonite
  • Use: Bike
  • Lock Type: Combination Lock
  • Material: Alloy Steel
best combination bike lock
SeatyLock FoldyLock Folding Bike Lock
  • Brand: SeatyLock
  • Use: Bike
  • Lock Type: Folding Lock
  • Material: Hardened Steel
bike lock for car rack
3Our Pick
Abus Bordo Granit XPlus 6500 Bike Lock
  • Brand: Abus
  • Use: Bike
  • Lock Type: Key Lock
  • Material: Alloy Steel

7 Best Bike Lock For Car Racks: Protect Your Bike On The Go In 2023

Biking is a wonderful way to escape the hustle and bustle of everyday life, but be sure to secure your bike while you’re away. You can keep your bike securely on the road with these 7 best bike locks for car racks.

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This review covers you if you’re looking for a lightweight combination lock or an impenetrable U-lock. Put these dependable car rack locks to work today so you won’t have to worry about theft while cycling.

1. Abus Granit X-Plus 540 U-Lock

bike lock for car rack
  • Brand: Abus
  • Use: Bike
  • Lock Type: Key Lock
  • Material: Alloy Steel
  • 2 Keys Included
  • Security Level 15
  • Double Bolting Shackle
  • Automatic Keyhole Cover

The Abus Granit X-Plus 540 is a top-of-the-line bike lock that is suitable for use with car racks. It boasts several impressive features that make it a standout choice for anyone looking for maximum security.

One of the standout features of the Abus Granit X-Plus 540 is its hardened steel shackle. This shackle is nearly impossible to cut or break, which makes it incredibly secure. The lock also has a double locking mechanism, making it even more difficult to tamper with.

In addition to its impressive security features, the Abus Granit X-Plus 540 is also convenient. It comes with a key that is easy to use and carries, and it has a compact design that makes it easy to transport.

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Overall, the Abus Granit X-Plus 540 is a top-notch bike lock that is perfect for anyone who needs maximum security for their bike. It may be a bit pricier than other options, but its impressive features make it well worth the investment.


  • Excellent all-around security.
  • Extremely long-lasting and resilient to tampering.
  • Its small size makes it simple to travel and store.


  • Expensive.
  • Not the highest level of security.

2. Kryptonite New York Bike U Lock

lock for car bike rack
  • Brand: Kryptonite
  • Use: Bike
  • Lock Type: Combination Lock
  • Material: Alloy Steel
  • Disc-Style Cylinder
  • Flex Frame-U Bracket
  • Hardened Double Deadbolts
  • Max-Performance Steel Shackle

The Kryptonite New York Bike U Lock is an updated version of the well-known Kryptonite Kryptolok Series 2. It still provides adequate protection. As a result of its two-sided locking system, Kryptolok has raised its security rating from Silver to Gold.

The Kryptolok, on the other hand, is extremely easy to operate. It’s pretty light, and if you attach the frame mount correctly, it’s easy to carry while riding. Furthermore, the large size means you’ll be able to find spots to lock your bike easily.

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Kryptonite’s customer service is, without a doubt, the finest of any bike lock brand. This entails a slew of advantages, ranging from free keys to lower-cost lock replacements in some cases.

Furthermore, the Kryptonite U Lock will provide an easy-to-use bike lock and excellent protection at a very low cost. Overall, the Kryptonite New York Bike U Lock is a dependable option for anyone looking for a secure bike lock for car racks.


  • Very convenient & safe.
  • Connects directly to the bike.
  • The size is ideal for locking up.


  • It isn’t easy to transport.

3. Kryptonite Kryptolok 955 Mini Bike Chain Lock

best lightweight bike lock
  • Brand: Kryptonite
  • Use: Bike
  • Lock Type: Key Lock
  • Material: Stainless Steel
  • Disc-Style Cylinder
  • Pin-Less Link Design
  • Pick & Drill Resistant
  • Four-Sided Chain Links

The Kryptonite Kryptolok 955 Mini is a secure and reliable lock for car bike racks. It provides maximum security for your bike while you are away from it. The lock features a hardened steel shackle and double deadbolt locking mechanism.

Also included is an anti-theft offer, which guarantees your bicycle’s replacement if stolen. Its lightweight design makes this lock easy to carry around and use on any car bike rack.

Furthermore, the Kryptolok 955 Mini is incredibly easy to use. Because of its small size, you can conveniently lock your bike in crowded situations. Furthermore, the provided frame attachment allows you to attach the lock to your bike frame while riding.

Overall, the Kryptonite Kryptolok 955 Mini is an excellent choice for cyclists seeking motorcycle protection. It is a great choice because of its hardened steel structure, pick and drill-resistant key cylinder, and handy size.


  • Secure Diamond rating.
  • Stainless steel lock with chain.
  • Key-safe program for key replacement in the event of a loss.


  • Bulkier and hefty than alternatives.

4. SeatyLock FoldyLock Folding Bike Lock

best combination bike lock
  • Brand: SeatyLock
  • Use: Bike
  • Lock Type: Folding Lock
  • Material: Hardened Steel
  • Rattle Elimination
  • Lightweight Lock
  • Ultra Protected Rivets
  • Super Easy-to-Use & Durable

The Foldylock Compact is just one of this brand’s revolutionary locks and does exactly what the name implies. Bike locks can be cumbersome and, in some situations, difficult to stow when not in use.

Foldylock has created a unique spin on the bike lock design by creating something one can easily store. The foldable design is made of hardened steel plates, making it ideal for securing your bike around larger things.

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Similarly, the lock has a high-quality feel and comes with three laser-cut Sidewinder keys. When you add it all up, you have a functional bike lock that also impresses with its use of rust-resistant components.

Overall, the FoldyLock Compact Folding Bike Lock is ideal for cyclists looking for a high-security lock for car bike racks. It also includes a carrying pouch that attaches to your bike frame, making it easy to transport wherever you go.


  • It is quite portable.
  • This bike mount is quite useful.
  • Design that is both compact and adaptable.


  • Comparable D-locks are less expensive.

5. Abus Bordo Granit XPlus 6500 Bike Lock

bike lock for car rack
  • Brand: Abus
  • Use: Bike
  • Lock Type: Key Lock
  • Material: Alloy Steel
  • Compact & Versatile
  • Soft-Touch Coating
  • Folding Technology
  • Silicone Lock Body Cover

The Abus Bordo Granit 6500 Folding Lock is lightweight and easy to transport for solid security. It consists of steel bars 5 millimeters thick and 7 millimeters wide, making it resistant to cutters and hand tools.

This level of protection lets the Bordo Granit 6500 obtain a Sold Secure gold certification, which is unusual for folding locks. This folding mode is especially notable for its versatility. Its flexible design is ideal for locking the bike in unconventional places.

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Moreover, it’s light for a high-security bike lock. More importantly, it folds down into a very small package that is very easy to transport. It’s quite subtle, whether tucked away in the frame mount or slipped into a bag.

The Bordo GRANIT X Plus 6500 is costly, but it scores a perfect 15 on the company’s security rating scale. The folding 5.5mm hardened steel bars feature a soft coating to prevent nicks and scratches.


  • Sold Secure Gold certified.
  • X-Plus cylinder with pick resistance.
  • Compact and extremely portable.


  • Not as secure as the Foldylock Forever.

6. Hiplok DX Wearable Bike U-Lock

best combination bike lock
  • Brand: Hiplok
  • Use: Bike
  • Lock Type: Key Lock
  • Material: Alloy Steel
  • Heavy-Duty U-Lock
  • Compact & Lightweight
  • Diamond Standard Security
  • Sophisticated Locking Technology

The Hiplok DX Wearable U-Lock is a small wearable U-lock that is lightweight, compact, and one of the best bike locks for car racks. This type provides the security of a heavy-duty U-lock without weighing you down with 5 pounds of gear.

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This lock has a plastic clip on one side that allows the user to attach it to their back pocket or belt. This allows you to transport the lock without the need for a backpack or the installation of mounting hardware.

The DX Wearable U-Lock includes three replaceable keys that rotate smoothly in the lock. A tiny rubber tab covers the keyhole and keeps dirt and moisture out of the lock. The Hiplok DX’s diminutive size severely limits its flexibility.

The Hiplok DX Wearable U-Lock is small but powerful, providing gold-standard security while fitting almost perfectly in your pocket. A benefit that not all of the finest bike locks provide. A plastic clip can attach to your belt or back pocket.


  • Objectively small.
  • Portable and convenient.
  • Lightweight in comparison.


  • It needs to be more adaptable.
  • Locking huge structures is difficult.

7. Oxford AlarmD Bike D Lock Pro

lock for car bike rack
  • Brand: Oxford
  • Use: Bike
  • Lock Type: Key Lock
  • Material: Alloy Steel
  • Motion Sensor
  • Multifunctional
  • Two-Year Warranty
  • Single-Bolted Shackle

The Oxford Alarm-D Pro is a Sold Secure Gold-rated D-lock that includes a motion sensor and a 120-decibel alarm. The Oxford Alarm-D Pro locks have a single-bolted shackle, similar to the previous Ones.

The alarm is simple to use and takes little time to get used to. The Alarm-D Pro has no buttons or switches. The alarm sounds by twisting the key within the locking mechanism.

A two-year warranty from Oxford covers the Alarm-D Pro line. This normal warranty will keep you running without any manufacturing flaws for two years after you acquire it. This locking approach takes a little longer but provides the most security.

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The Alarm-D Pro bike lock from Oxford is a multifunctional, well-designed bike lock for car racks with numerous enhancements. Because of its simple yet effective mounting bracket, you’ll have no issue carrying the Alarm-D Pro while riding.


  • Sold Secure Gold.
  • There are several sizes available.
  • Shackle of 14mm hardened steel.


  • A bit heavier than typical.
  • This device requires a disposable battery.

Breaking Down Different Types Of Best Lightweight Bike Lock

If you’re planning to transport your bike by car, you’ll need a bike lock to keep it secure. Several types of bike locks are available, each with unique features and benefits.

Below, we’ll go over the different types of bike locks suitable for use with car racks. So you can choose the one that best fits your needs.

1. Cable Locks

Cable locks are a popular choice for car racks because they are lightweight and easy to transport. These locks feature a braided steel cable coated in a protective layer to prevent damage to your bike.

Cable locks are best used in low-crime areas or as a secondary security measure in conjunction with a more heavy-duty lock for car bike racks.

2. Chain Locks

Chain locks are another popular option for car racks. Steel links used in these locks make them difficult to cut or break. Some chain locks also feature a protective sleeve to prevent damage to your bike’s paint job. Chain locks are ideal for use in high-crime areas or securing your bike in a public place.

3. U-Locks

U-locks, also known as D-locks, are a classic choice for bike security. These locks feature a strong steel “U” or “D” shaped shackle inserted through the bike frame and secured with a key or combination.

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U-lock for car bike racks are extremely durable and resistant to tampering, making them an excellent choice for high-security situations.

4. Foldable Locks

These locks have several metal plates that are hinged together. They can be folded up when not in use and are lightweight and easy to carry. However, they may provide less security than other locks.

5. Smart Locks

Smart locks are a newer addition to the bike lock market. These locks use Bluetooth or NFC (near-field communication) to unlock with a smartphone app or key fob.

Smart locks offer the convenience of keyless entry and can often be managed remotely through a smartphone app. However, they may not be as secure as traditional lock types.

Buyer’s Guide For Choosing The Bike Lock With Key

When buying a bike lock for car racks, consider a few things to ensure you get the best one for your needs. Here’s a helpful buying guide to get you started:

A. Budget

Bike locks can range in price from a few dollars to several hundred dollars. Determine how much you’re willing to spend before you start shopping. Although more expensive locks provide better security, they aren’t necessarily the best choice.

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B. Level of Security

Different bike locks offer different levels of security. Some are more resistant to tampering and cutting than others. If you live in a high-crime area or plan to leave your bike unattended for long periods, you’ll want a more secure lock.

On the other hand, if you’re just looking for a way to keep your bike safe while it’s attached to your car, you may not need as much security.

C. Convenience

Bike locks for car racks can be heavy and bulky, which can be inconvenient if you carry them around. Consider how often you’ll use the lock and whether you can easily carry it. Locks that are easy to use and lightweight may be more convenient, even if they are less secure.

D. Size & Compatibility

Make sure your lock is the right size for your bike and car rack. Some locks fit specific types of racks, while others are more universal. Also, consider whether the lock will fit your bike frame and wheels.

E. Material

Bike locks contain various materials, including steel, aluminum, and plastic. Steel is generally the most durable and secure option, but it can be heavy and may rust over time.

Aluminum is lighter than steel but may need to be stronger. Plastic locks are the least secure and the lightest and most affordable option.

F. Additional Features

Some bike locks have additional features that can provide extra security or convenience. For example, some have alarms that sound if the lock is tampered with, while others have built-in GPS tracking to help locate your bike if it’s stolen.

G. Brand

It’s always a good idea to buy from a reputable brand to ensure you’re getting a high-quality product. Look for brands that have a proven track record of producing reliable locks.

Top FAQs About Lock For Car Bike Rack

How Do You Use A Bike Lock?

The goal of using a bike lock is to help prevent bike theft. Bike attachments can include external supports (such as light posts or bike racks), other bikes, or even the bike itself.

This is especially true if you’re trying to keep certain components from being stolen. For example, using a cable or U-lock to secure a tire to the bike frame to prevent it from being removed.

The most efficient method of locking a bike is to lock different elements of your bike according to its value. Fastening the frame to an immovable object is the most important thing here.

What Are The Different Types Of Bike Locks?

Chain locks, foldable locks, cable locks, and U-shaped or D-shaped locks are the four main types of bike locks. These terms describe the part of the lock that wraps around the bike, and one can attach it to an external structure.

There are also several lock styles, such as key, combination, and smart locks, which refer to the locking mechanism of the lock. Cable and combination locks are the least secure, while chain and D-shaped locks provide a higher level of security.

What’s The Best Way To Lock My Bike?

If you’re asking about locking it up, you can do a few things to ensure your bike is as secure as possible. First, you want to make sure you have a good-quality lock. A U-lock is typically your best bet, as they are very difficult to cut through. You also want to ensure you’re locking your bike up to a solid object that can’t be easily cut or broken. A street sign or a bike rack are both good options. And finally, you want to ensure you’re not leaving your bike out in the open for too long.

What Is The Strongest Bicycle lock?

Security is important, no matter what you’re trying to protect. That’s why finding the strongest possible lock is critical, especially regarding your bicycle. Keeping your bike safe is important since it is an expensive investment.

So, what is the strongest bicycle lock on the market? The Abus Granit X-Plus 540 is a great option. This lock consists of hardened steel and is nearly impossible to cut through. It can also withstand bolt cutters, saws, and other power tools.

What Is The Most Theft Proof Bike Lock?

If you’re looking for a bike lock that is almost impossible to break, the Kryptonite Kryptolok New-U is a great option. This lock is made of hardened steel and has a double deadbolt locking system, making it very difficult to break.

The Kryptolok also comes with a nearly impossible key to duplicate, so you can be sure your bike is well-protected.

Final Thoughts

Kryptonite NewYork U Lock and Abus Granit X-Plus 540 are excellent bike locks for car racks. The Abus Granit X-Plus 540 consists of extremely durable materials. It has a 14mm shackle, making it difficult for thieves to cut or break.

The Kryptonite NewYork U Lock also comes with a hardened steel shackle and a high-security disc-style cylinder. Both locks come with a good reputation for security. Ultimately, you’ll have to decide based on your personal preference and needs.

Kevin Williams is an automotive enthusiast and expert writer with a passion for all things related to cars. With a wealth of knowledge in the world of vehicles, Kevin's mission is to provide informative articles that empower car enthusiasts to make informed decisions about their automotive interests. With extensive experience, Kevin has contributed numerous articles to Cars Cache, covering a wide spectrum of topics from vehicle reviews to maintenance tips and more.


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