Best Lightweight Road Bike Lock [Review] in 2021
written by Cycle expert Alex Bristol
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Buying a quality road bike is a great thing but imagine what would happen if it gets stolen especially if you had not installed a tracker. In most cases, you will have to buy a new one. To save you from such loses, the best way to protect your bike is investing in a quality bike lock. These locks ensure that your bike is safe when you leave it outside. Again, they are very cheap, effective and easy to use. In this guide, we shall review the best lightweight road bike locks that are worth your money.
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Our Top 5 Picks
Portable Bicycle Lock
The first thing you will love about this bike is its stylish design. It has a unisex design and it is also available in multiple colors. The high-strength zinc bike lock with 12mm braided steel is very strong and sturdy. As a result, it is a great option for mountain bikes, road bikes, commuter bikes or any other bike. It also comes with two keys which are hard to copy. In addition, it has a PVC coating which prevents it from scratching your bike. It is easy to carry and you can easily distinguish it from other bike locks due to its unique design.
Compact and user-friendly
Latest deal: Portable Bicycle Lock
OTTOLOCK Sidekick Compact U-Lock
OTTOLOCK Sidekick Compact U-Lock has a lightweight design since it only weighs 1.65lbs. As compared to other U-locks, this one is the easiest to use. Its construction features a double-shackle 12mm-hardened steel which has anti-rotation deadbolt. This means that it is not only strong but also durable. Apart from that, it has a silicone-coated lock body to ensure that it does not scratch your bike. The other thing you will love about it is that if fits perfectly on all types of bikes since it has an opening size of 7cm x 14.5cm.
Tough and durable construction
Easy to use
Doesn’t scratch your bike
Latest deal: OTTOLOCK
UliziC Upgrade Bike Lock Cable
One of the major selling points of this bike lock is that it allows you to set a 4-digit by simply turning the lock collar as the user manual. It provides up to 10,000 codes which you can use for setting. In terms of durability, you will be happy to note that it features a metallic inner body and a plastic covered cable which enhances resistance. Besides that, it is very versatile which means that you can also use it to lock baby strollers, laptop bags suitcases, and luggages. The extension cable is 5.9ft long which means that you can use it to lock something that is 2.85ft. It is one of the best for those who are on a budget due to its cheap price.
4-digit pin is easy to set
Rotating mechanism is very responsive
Latest deal: UliziC
OTTOLOCK Cinch Lock
OTTOLOCK Steel & Kevlar Combination Bike is one of the most attractive bike locks you will ever find. Apart from the elegant design, it features an easy to customize combination which features 3 dial combinations. Its construction comprises of a multi-layer steel and a santoprene plastic anti scratch coating. The lightweight design makes it easy to carry and you can easily put it in your pocket, saddlebag or backpack. However, you should only use it for quick stop security for protecting your bike against opportunity theft. This means that you should it is not the best for longer-term security because it is very easy to cut.
3 dial combinations
Available in 3 different colors
Features an anti scratch coating
Easy to cut
Latest deal: OTTOLOCK Clinch Lock
Allnice ET-152 Mini Portable Anti-Theft Resettable 3 Digit Lock
If you are searching for an effective bike lock for short durations, this one will be a great choice. It uses a 3-digit code and the initial password is – 000. You can also use it to lock your bike, helmet wheels, luggage or anything else you would like to secure. Another impressive thing about it is that it is highly resistant to corrosion. Its design comprises of a 2mm inner wire and a PVC plastic material which prevents scratches. It only weighs 100 grams which means that it is easy to carry.
Strong and durable construction
Convenient to carry
Only suitable for quick stops
Latest deal: Allnice ET-152
Looking for the best overall bike locks instead?
We’ve put an in-depth guide together for that.
We have looked at 37 bike locks to make sure you’re getting the best for your money. We focused on water resistance, materials, and ease of use to make sure we’ve found the greatest products available to buy.
You can see the full guide here which could be more relevant than the one you’re reading now.
Why should you buy a road bike lock?
Most cyclists think that they only need to lock their bike when they have left it unsupervised for many hours. However, that is not true because a thief will only need a few seconds to take the bike. You are supposed to lock the bike any time you have left it irrespective of the duration.
Sometimes, you may need to buy something in a store and if you happen to stay inside longer than you had planned, someone might take advantage of that and disappear with the bike. The good thing about bike locks is that they have a compact and lightweight design which enables them to fit in your pocket easily.
How to choose the best lightweight locks for road bikes
Safety– The major reason why you are investing in a bike lock is to protect your bike from theft. This means that you should consider a lock with the highest level of security. If you have a very expensive bike and you normally ride in high crime areas, you will need to invest in an expensive bike lock.
Materials and design– The design and materials used will also determine the effectiveness of the bike lock. You should ensure that the one you have selected is made of tough materials that are not easy to cut or break.
Convenience– Your bike lock should be very convenient and easy to use. You don’t need a lock that is difficult to set up. Again, it should be lightweight enough to fit in your bag or pockets.
Frequently Asked Questions
How do you protect your road bike from theft?
One of the best ways to ensure that your bike is secure is always using a bike lock when you want to leave it outside. You should also invest in a quality bike tracker for easier retrieval in case it gets stolen.
Which is the best lightweight road bike lock?
If you are searching for a high-quality bike lock, OTTOLOCK Sidekick Compact U-Lock is one of the best options you can find out there.
Are U locks better than cable locks?
In terms of security, U locks are more reliable than cable locks. They are also portable and easy to use.
Our Final Verdict
A bike lock is one of the most important things you should have if you own a bike because it ensures that your bike is safe from theft. It will save you the cost of purchasing a new bike in case your gets stolen. However, most of the bike locks on the market are not reliable which means that they may not offer the best protection. The good thing is that we have already selected the best products for you to save your time and money. They are all secure and more reliable as compared to others on the market. They are also lightweight, affordable, and easy to use.
Content Manager at Pedallers
Alex is a cycling expert at and focuses on reviewing bikes, accessories, and general cycling. He searches for the most up to date products that match the needs of cyclists across the world. Whether it's recent news or the best bike set-ups, Alex is a trusted source for anything around cycling.