Top 10 Best U-Locks for Bikes in 2018 Reviews

  • By Rebeca
  • On August 30, 2018​
  • In Garage
  • 0

Have you ever felt worried about the safety for your dearest bicycle? Have you ever thought that a thief will be able to steal your bicycle easily without giving it extra protection? Now you do not have to express your worry anymore with U-Locks for all types of bikes. Being a portable lock that can secure your bicycle in the street everyday, U-lock is perfect for those who love their bikes. Still feeling uncertain on choosing the best model? If so, this Top 10 Best U-Locks for Bikes in 2017 allows all users to make their choice on finding the most suitable U-lock brand for their precious bike.

10. Bell CATALYST Pocket U-Lock for Bicycle


Wanting a high-quality U-Lock to protect your precious bike? Then, this product by Bell is there as your hero. Coming in six different types, you can now choose the one that fits you the best. Composed of anti-theft hardened steel shackle and cross bar, you can now guarantee safety and security for your bicycle. Experiencing convenience as you can fit these U-Lock models perfectly in your backpack for travelling. All six models have metal, dual bolt locking system. There will be also extra keys provided in case you lose the original one. These different U-locks come in black, silver and/or grey, depending on the models.

9. U Lock Bike Lock, TITANKER Heavy Duty Combination Bike U Shackle Secure Locks Bike Locks Anti Theft

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Coming in 2 different sizes (16mm and 20mm), a U-lock by Titanker is in 9th place of this ranking list. Made of zinc alloy shackle and covered by a PVC coating, you can feel the extra safety for your bicycles. Besides the U-lock, this product also comes with flex cable and Mounting bracket in order for you to save money on protecting your bikes. With lightweight and keyless design, this U-lock provides extra ease for the users. You can just enter your 4-digit code in order to unlock your U-lock, without any worry about thieves. This product is also covered with dust cover to ensure its durability. What is the best thing is that you can get a full refund if you return the U-lock within the first 30-day due to your unsatisfaction.

8. Kryptonite Keeper 12 Standard Heavy Duty Bicycle U Lock Bike Lock (4-Inch x 8-Inch)

Kryptonite Keeper 12 Standard Heavy Duty Bicycle U-Lock with Bracket (4-Inch x 8-Inch)
  • 12mm HARDENED STEEL SHACKLE resist hand tools
  • Reinforced collar over keyway for increased protection

Kryptonite Keeper 12 Standard Heavy Duty Bicycle U Lock Bike Lock is there to protect your bicycle from vandalism and theft. Its 12mm hardened steel shackle and reinforced collar give extra protection for your bike. This product also includes disc-cylinder, vinyl covering and transportation bracket for perfect security. Its trademark Bent Foot design provides convenience for the users. Its Key Safe program will make you that your precious bicycle is safe. Last but not least, its dimension 4” x 8” (10.2cm x 20.3cm) guarantees that you are satisfied with this U-lock.

7. Kryptonite New York LS Heavy Duty Bicycle U Lock Bike Lock

Kryptonite New York LS Heavy Duty Bicycle U Lock Bike Lock
  • 16mm hardened MAX-PERFORMANCE STEEL SHACKLE resists bolt cutters and leverage attacks
  • Patented*HARDENED STEEL SLEEVE over crossbar for double security
  • DOUBLE DEADBOLT locking for extensive holding power

In 7th place of this ranking is another U-lock product by Kryptonite. Its 16mm hardened steel shackle resists bolt cutters and leverage attacks from thieves. Equipped with hardened steel sleeve over crossbar, it doubles the level of security of your bicycle. Proving this U-Lock’s durability through its Double Deadbolt locking. Feeling the security of this product through its disc-style cylinder, safe key program and vinyl coating. Its sliding dustcover helps protecting and extending the life of this U-lock cylinder. Last but not least, it also provides 3 keys, 1 lighted with high intensity LED bulb and replaceable battery.

6. OnGuard (8009) Bulldog LS U-Lock (Black, 4.53 x 11.50 -Inch)

OnGuard (8009) Bulldog LS U-Lock (Black, 4.53 x 11.50 -Inch)
  • Long-shackle Bulldog U-Lock
  • X2P Double Bolt Locking Mechanism offers best-in-class protection
  • Long shackle provides more locking options; Weighs: 3 pounds

OnGuard Bulldog LS U-Lock provides great protection for user’s bicycle through its and X2P Double Bolt Locking Mechanism. This product also has a long shackle, which allows more locking options. Feeling the ease of using this U-lock with its Snap Lock Quick Release multi-position mounting bracket. Are you a forgetful person? If so, don’t worry as OnGuard U-lock provides 5 laser cut keys, 1 micro-light and 4 extra grip keys. You will definitely be satisfied by choosing this model.

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5. Kryptonite Kryptolok Series 2 Mini Bicycle U-Lock with Transit FlexFrame Bracket, 3.25 x 7-inch

Fancy yourself with a colorful life for your bicycle as this U-lock by Kryptonite now comes in four different colors, Light blue, Light orange, Merlot and White. Its 13mm hardened performance steel shackle resists cutting and leverage attacks. You can guarantee extra protection with this U-Lock’s reinforced hardened cross bar design. Feeling an almost noise-free transportation with its anti-rattle bumpers. Moreover, you can now protect your U-Lock cylinder with its rotating dustcover. Experience a versatile carrying with Kryptonite U-Lock New Transit Flexframe-U transportation system. Sounds like a perfect mode for your bike, right?

4. Bike U Lock with Vandalproof Cable

Via Velo Bike U Lock with Strong Cable Heavy Duty Bicycle U Lock Shackle 15mm with 3 Keys and...
  • DURABLE ALL-WEATHER PROTECTION - Via Velo bike U-lock with hexagonal PVC cover resists corrosion...
  • EASY AND STRONG TO LOCK YOUR BIKE - The bike lock with thickness 15mm , 280 mm x 150mm U shack to...
  • AMAZING CONVENIENCE AND SECURITY - 3 keys for convenience! The bike U-lock comes with 3 keys. One...

In fourth place of this U-Lock ranking article is a product by Via Velo. You cannot ignore the level of durability with this product as its hexagonal PVC cover resists corrosion from water, dust and dirt to prolong the life of your lock. With suitable bike lock size and cable length, you can now be a pro at safely locking your bike by choosing this product. Ensure your amazing convenience and safety through the provision of 3 keys. You can now reliably and safely unlock your bike at night by using its LED flashing key. You can now put your trust on this product now as it provides 3-year warranty to U-lock for US, CA, UK and EU cyclists, 90-day money back policy, and 24-hour online customer service, all in one product.

3. SIGTUNA Bike lock – 16mm Heavy Duty Bicycle Lock with U Lock Shackle and Mounting Bracket + 1200mm Steel Flex Cable Lock

Sigtuna Gear SIGTUNA Bike lock - 16mm Heavy Duty Bicycle Lock with U Lock Shackle and Mounting...
  • GET THE BEST SECURITY This SIGTUNA U lock Bike is made of 16MM High-Performance Steel for Extensive...
  • GIVE THIEVES NO CHANCE This Bike Lock Combination has a High-Security Disc-Style Cylinder and...
  • CONVENIENT AND SECURE This model SIGTUNA Bike Lock Combination comes with a Easy-to-Install Bike...

With 16mm Sigtuna Bike Lock, it contains 1200mm Flex Cable and sturdy Mounting bracket that provides you security in all types of places. This product is also known for its high quality and affordability, comparing to other brands. As Sigtuna goal is to make their customers 100% satisfied, there is a team who is always there to answer your questions about the products. So order one now, and be ready to experience absolute safety for your bikes.

2. Mini Bicycle U-lock with Transit Frame Mount Bracket, Stainless Steel Keys, Electrostatic Coating, Anti Theft Technology, High Security Hardened Bike Keeper, Rust Resistance, Best Waterproof Cylinder

This U-lock by Belcycling provides utmost anti-theft security and protects against any cutting or unlocking attempts and leverage attacks, with its 14mm hardened, high-strength Zinc Alloy Shackle stainless steel. Its rotating dustcover and and corrosion-free steel of the crossbar ensures durability and resistance against water and impact on your U-lock. Plus, its compact size also provides convenience for users to fit it in the bag when not in use. The electrostatic coating and PVC coating lining on the “U” and the Transit Compact Frame Bracket, respectively offer a serious protection to the lock itself, extend its life and keeps your bike paint from scratching. It also provides two stainless steel keys with attached flashlight and replaceable battery. Last but not least, there will be also a 30-day full refund if you are not satisfied with your products.

1. Heavy Duty Combination Bike U Lock, Amazer 12mm Bike Lock Bicycle Heavy Duty Combination U Lock Bike Lock Anti Theft

Amazer Heavy Duty Combination Bike U Lock, 12mm Bike Lock Bicycle Heavy Duty Combination U Lock Bike...
  • WHY AMAZER U LOCK CAN KEEP YOUR BIKE SAFE? Amazer U lock is made of 12mm hardened performance steel...
  • KEYLESS & EASY TO SET COMBINATION: Choose Amazer U lock, no more lost keys! 4-digit set your own...
  • DUST COVER: The combination is covered by a dust cover to protects and extends cylinder life. LOCK...

So we are now in 1st place of this ranking, and this best of the best U-lock belongs to the brand Amazer. Resistance against cutting and leverage attacks is provided to your bike thanks to its 12mm hardened performance zinc alloy shackle and a 3.85mm PVC coating. Additionally, the PVC lining on the “U” prevents it from scratching bike paint job. You can now stop worrying about your lost keys as you can now lock and unlock your U-lock with the combination of 4-digit set code. Its dust cover guarantees an extension in its cylinder life. The entire lock is covered by quality PC material for good looking and secure your bike from scratching. You can also receive a full refund for your Amazer U-lock if you return the product within the first 1 month after purchasing. These make a U-lock by Amazer deserve its 1st place in this list.

Final Thoughts

Still thinking of choosing the best U-lock to secure and protect your bicycle? We are sure that you will be able to make a wise decision after going through this Top 10 ranking list. All 10 U-locks prioritize security, durability and convenience for all users. You can also choose between U-locks with keys, the ones with 4-digit activation code, or both. Their dust covers also serve as extra protection and long-lasting shield for the U-lock cylinder. Plus, all of their shackles are made with high-quality products to ensure you a great experience with your bike. So why wait? Make your choice now and stop worrying about your bike being stolen by thieves.

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