20 Best Bike U Locks [2024]

Are you looking for the best bike u locks? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling bike u locks.

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# Preview Product
1 Master Lock U-Lock Bike Lock with Key, U-Lock for Bicycles, Lock for Outdoor Equipment, 8170D Master Lock U-Lock Bike Lock with Key, U-Lock for Bicycles, Lock for Outdoor Equipment, 8170D
2 Bike U Lock with Cable - Via Velo Bike Lock Heavy Duty Bicycle U-Lock,14mm Shackle and 10mm x1.8m... Bike U Lock with Cable - Via Velo Bike Lock Heavy Duty Bicycle U-Lock,14mm Shackle and 10mm x1.8m...
3 Amazer U Lock for Bicycle, U Lock Combination Heavy Duty Bike Lock Combination, 12mm Bike Lock... Amazer U Lock for Bicycle, U Lock Combination Heavy Duty Bike Lock Combination, 12mm Bike Lock...
4 Kryptonite Kryptolok Standard 12.7mm U-Lock Bicycle Lock with FlexFrame-U Bracket , Black Kryptonite Kryptolok Standard 12.7mm U-Lock Bicycle Lock with FlexFrame-U Bracket , Black
5 Kryptonite Keeper Standard 12mm U-Lock Bicycle Lock with FlexFrame-U Bracket , Black Kryptonite Keeper Standard 12mm U-Lock Bicycle Lock with FlexFrame-U Bracket , Black
6 Kryptonite Evolution Mini-7 Bike U-Lock with Cable, Heavy Duty Anti-Theft Bicycle U Lock, 13mm... Kryptonite Evolution Mini-7 Bike U-Lock with Cable, Heavy Duty Anti-Theft Bicycle U Lock, 13mm...
7 Bike U Lock,20mm Heavy Duty Combination Bicycle D Lock Shackle 4ft Length Security Cable with Sturdy... Bike U Lock,20mm Heavy Duty Combination Bicycle D Lock Shackle 4ft Length Security Cable with...
8 Altor SAF Lock - Angle Grinder Proof Bicycle U-Lock Altor SAF Lock - Angle Grinder Proof Bicycle U-Lock
9 Kryptonite New-U New York Standard Heavy Duty Bicycle U Lock Bike Lock BLACK/YELLOW, 10 Kryptonite New-U New York Standard Heavy Duty Bicycle U Lock Bike Lock BLACK/YELLOW, 10
10 UBULLOX Bike U Lock Heavy Duty Bike Lock Bicycle U Lock, 16mm Shackle and 4ft/6ft Length Security... UBULLOX Bike U Lock Heavy Duty Bike Lock Bicycle U Lock, 16mm Shackle and 4ft/6ft Length Security...
11 Kryptonite New York LS Bike U-Lock, Heavy Duty Anti-Theft Bicycle U Lock, 16mm Long Shackle with... Kryptonite New York LS Bike U-Lock, Heavy Duty Anti-Theft Bicycle U Lock, 16mm Long Shackle with...
12 Kryptonite Evolution Mini-7 Bicycle U-Lock w/ 4’ KryptoFlex Double Loop Cable Kryptonite Evolution Mini-7 Bicycle U-Lock w/ 4’ KryptoFlex Double Loop Cable
13 Kryptonite New York Fahgettaboutit Mini Bike U-Lock, Heavy Duty Anti-Theft Bicycle U Lock, 18mm... Kryptonite New York Fahgettaboutit Mini Bike U-Lock, Heavy Duty Anti-Theft Bicycle U Lock, 18mm...
14 DINOKA Bike U Lock - 16mm Heavy Duty Security U Cable Bike Lock with 4ft Flex Bike Cable and Sturdy... DINOKA Bike U Lock - 16mm Heavy Duty Security U Cable Bike Lock with 4ft Flex Bike Cable and...
15 Titanker Bike U Lock Combination, Bicycle Lock Heavy Duty Anti Theft Combination U Lock with Cable,... Titanker Bike U Lock Combination, Bicycle Lock Heavy Duty Anti Theft Combination U Lock with...
16 TiGr Mini+ Titanium Bike Locks. This Bicycle U Lock with Mounting Clip is Heavy Duty, Lightweight &... TiGr Mini+ Titanium Bike Locks. This Bicycle U Lock with Mounting Clip is Heavy Duty, Lightweight...
17 INTEKIN Bike U Lock Heavy Duty Bike Lock Bicycle Lock, 16mm U Lock and 5ft Length Security Cable... INTEKIN Bike U Lock Heavy Duty Bike Lock Bicycle Lock, 16mm U Lock and 5ft Length Security Cable...
18 OnGuard Pitbull STD U-Lock, Black, 4.53 x 9.06-Inch OnGuard Pitbull STD U-Lock, Black, 4.53 x 9.06-Inch
19 SIGTUNA Bike Locks - 16mm Heavy Duty U Lock with U-Lock Shackle and Bicycle Lock Mount Holder +... SIGTUNA Bike Locks - 16mm Heavy Duty U Lock with U-Lock Shackle and Bicycle Lock Mount Holder +...
20 DadyMart Bike U Lock, 16mm Bike Lock Heavy Duty Combination Bicycle U Lock with U-Lock Shackle, Bike... DadyMart Bike U Lock, 16mm Bike Lock Heavy Duty Combination Bicycle U Lock with U-Lock Shackle,...
Bestseller No. 1
Master Lock U-Lock Bike Lock with Key, U-Lock for Bicycles, Lock for Outdoor Equipment, 8170D
  • Outdoor heavy duty bike U-lock is best used as a bicycle lock
  • U-shaped steel bike lock with key; Includes carrier bracket for easy transportation
  • Bike lock features a hardened steel body and double locking shackle for superior cutting and prying resistance
  • Bike lock body is 6-1/8 in. (16 cm) wide, with 8 in. (20 cm) shackle length, 4 in. (10 cm) width and 1/2 in. (13 mm) diameter
  • Includes one u-lock bike lock, two keys
SaleBestseller No. 2
Bike U Lock with Cable - Via Velo Bike Lock Heavy Duty Bicycle U-Lock,14mm Shackle and 10mm x1.8m...
  • ✔️ DURABLE ALL-WEATHER PROTECTION – Via Velo bike U-lock with hexagonal PVC cover resists corrosion from water, dust and dirt to prolong the...
  • ️ ✔️ EASY AND STRONG TO LOCK YOUR BIKE – The bike lock with thickness(including rubber casing):14mm,9.84 in (250mm) x 5.51 in (140mm) U shack...
  • ✔️ AMAZING CONVENIENCE AND SECURITY – 2 keys for convenience! The bike U-lock comes with 2 keys. One of them you can take and use in daily life...
  • ✔️ SIMPLY INSTALLING BRACKET ON YOUR BIKE – Convenient high-quality mounting bracket means your lock goes with you, Our bracket is suitable for...
  • ✔️ WARRANTY AND CUSTOMER SERVICE: 3-year warranty applies to U lock for US, CA, UK, EU Cyclists, 90-day money back policy, 24-hour online customer...
Bestseller No. 3
Amazer U Lock for Bicycle, U Lock Combination Heavy Duty Bike Lock Combination, 12mm Bike Lock...
  • Why Amazer U lock can keep your bike safe? Amazer U lock is made of 12mm hardened performance steel shackle and covered by a 3.85mm PVC coating(Total...
  • Keyless & easy to set combination: Choose Amazer U lock, no more lost keys! 4-digit set your own combination convenience allows for thousands of...
  • Dust cover: The combination is covered by a dust cover to protects and extends cylinder life.
  • Heavy duty lock offer your bike more safety: The lock's net weight is 1.817 lbs(0.824 kg). The shackle is made of steel, the cylinder is steel and...
  • Lock size: 8.96 Inches(length) x 5.74 Inches(width) x 0.624 Inches(thickness) - Please note: Manual measurement for reference only.
SaleBestseller No. 4
Kryptonite Kryptolok Standard 12.7mm U-Lock Bicycle Lock with FlexFrame-U Bracket , Black
  • 12.7mm Hardended Performance Steel Shackle Resists Hand Tools, Bolt Cutters, and Leverage Attacks
  • Interior Locking Dimensions; 4" x 9"
  • Key Safe Program; Kryptonite will ship your first 2 keys for free, globally, in the event you lose them.
  • Anti-Theft Protection Offer; Up to $1,750 Reimbursement
SaleBestseller No. 5
Kryptonite Keeper Standard 12mm U-Lock Bicycle Lock with FlexFrame-U Bracket , Black
  • 12mm Hardened Steel Shackle Resists Hand Tools, Bolt Cutters, and Leverage Attacks
  • Interior Locking Dimensions; 4" x 8"
  • Key Safe Program; Kryptonite will ship your first 2 keys for free, globally, in the event you lose them.
  • Anti-Theft Protection Offer; Up to $500 Reimbursement
  • Lifetime
SaleBestseller No. 6
Kryptonite Evolution Mini-7 Bike U-Lock with Cable, Heavy Duty Anti-Theft Bicycle U Lock, 13mm...
  • 3mm Hardened Max Performance Steel Shackle Resists Hand Tools, Bolt Cutters, and Leverage Attacks; 10mm Steel Looped Cable For Additional Security
  • Interior Locking Dimensions: 3.25" x 7" Cable Length: 4'
  • Key Safe Program; Kryptonite will ship your first 2 keys for free, globally, in the event you lose them
  • Anti-Theft Protection Offer; Up to $2,500 Reimbursement
  • Includes FLEXFRAME-U BRACKET providing convenient multi-location u-lock transport
Bestseller No. 7
Bike U Lock,20mm Heavy Duty Combination Bicycle D Lock Shackle 4ft Length Security Cable with Sturdy...
  • 【Premium Heavy Duty Bike Lock】 This bike D lock comes with a 0.86 inch heavy duty shackle and has excellent heat resistant and hydraulic shear...
  • 【Security and Anti-theft】The bicycle lock is built-in imported c grade pure copper look cylinder, which is certified to resist leverage attacks...
  • 【Easy to Install and Use】The combination bike lock is equipped with a 0.45 inch diameter thick steel cable with a length of 4ft and a high-quality...
  • 【Portable and Practical】The bicycle U lock size 7.87 × 6.29 inch, which is lightweight and convenient to carry and store. It is widely used in...
  • 【Get Satisfied U Lock Bike Lock】Our combination bike lock set includes bike bock, keys, flex cable and mounting bracket for protecting your bike...
Bestseller No. 8
Altor SAF Lock - Angle Grinder Proof Bicycle U-Lock
  • The world's first angle grinder resistant bike lock
  • Patented SAF Tech shackle design protects against angle grinders and conventional attacks
  • A double-locking cross bar and a high-security disc-detainer lock mechanism with 4 laser-engraved keys to defend your lock from conventional attacks
  • 6.0 kgs / 13.2 lbs total weight, 7.9 x 11 in outer dimension, 3.1 x 5.5 in inner dimension
  • Designed and Fabricated in the USA
SaleBestseller No. 9
Kryptonite New-U New York Standard Heavy Duty Bicycle U Lock Bike Lock BLACK/YELLOW, 10
  • 16mm Hardended Max Performance Steel Shackle Resists Hand Tools, Bolt Cutters, and Leverage Attacks
  • Interior Locking Dimensions; 4" x 8"
  • Key Safe Program; Kryptonite will ship your first 2 keys for free, globally, in the event you lose them.
  • Anti-Theft Protection Offer; Up to $4,000 Reimbursement for 1 Year Included
Bestseller No. 10
UBULLOX Bike U Lock Heavy Duty Bike Lock Bicycle U Lock, 16mm Shackle and 4ft/6ft Length Security...
  • STURDY & DURABLE: This bike lock is made of 16mm/0.63inch(including 0.1inch environmentally silicone cover) alloy steel which is cutting-resistant,...
  • SAFER: The lock cylinder of the bike lock is made by C grade pure copper blade, which has a precise structure to prevent technical opening. The bike u...
  • CONVENIENT USE: This bike lock comes with a 4feet double looped ends steel cable which is coated with PVC covering, and the whole diameter of the...
  • PORTABLE SIZE: The size of the bike lock is 7.68inch*4.9inch. Comes with a mounting bracket that is suitable for all circular tripod in diameter...
  • EASY INSTALLATION: The mounting bracket holder is easy to install which enables you to store your bike lock quickly when out on a ride. The silicone...
SaleBestseller No. 11
Kryptonite New York LS Bike U-Lock, Heavy Duty Anti-Theft Bicycle U Lock, 16mm Long Shackle with...
  • 16mm Hardended Max Performance Steel Shackle Resists Hand Tools, Bolt Cutters, and Leverage Attacks
  • Interior Locking Dimensions; 4" x 10. 25"
  • Key Safe Program; Kryptonite will ship your first 2 keys for free, globally, in the event you lose them.
  • Anti-Theft Protection Offer; Up to $4, 000 Reimbursement for 1 Year Included
  • Lifetime
Bestseller No. 12
Kryptonite Evolution Mini-7 Bicycle U-Lock w/ 4’ KryptoFlex Double Loop Cable
  • 13mm hardened MAX-PERFORMANCE STEEL SHACKLE resists bolt cutters and leverage attacks
  • Includes 4’ KRYPTOFLEX DOUBLE LOOP CABLE for securing front wheel or accessories
  • Reinforced CUFF OVER CROSSBAR and cylinder for added security
  • HIGH SECURITY DISC-STYLE CYLINDER
  • BENT FOOT SHACKLE design for ease of use
SaleBestseller No. 13
Kryptonite New York Fahgettaboutit Mini Bike U-Lock, Heavy Duty Anti-Theft Bicycle U Lock, 18mm...
  • 18mm Hardended Max Performance Steel Shackle Resists Hand Tools, Bolt Cutters, and Leverage Attacks
  • Interior Locking Dimensions; 3.25" x 6"
  • Key Safe Program; Kryptonite will ship your first 2 keys for free, globally, in the event you lose them.
  • Anti-Theft Protection Offer; Up to $5, 000 Reimbursement for 1 Year Included
  • 3 STAINLESS STEEL KEYS - including new design and one LED REPLACEABLE KEY FOB
SaleBestseller No. 14
DINOKA Bike U Lock - 16mm Heavy Duty Security U Cable Bike Lock with 4ft Flex Bike Cable and Sturdy...
  • 【Double-opening Head】Our DINOKA heavy duty bicycle u lock is a double-opening head, The thief needs to break the bike locks on both sides at the...
  • 【Sturdy and Durable】This bicycle lock is made of 16mm/0.63 inch (including 0.1 inches friendly silicone sleeve) hardened high-performance alloy...
  • 【Convenient to Lock】The bike u-lock heavy-duty comes with 4 feet/0.48in steel cable which is coated with PVC covering to provide a greater locking...
  • 【Portable Size】The size of the u lock for bicycle is 7.9 in * 5.1 in, which is the same size of a 9.7in tablet and is convenient to carry. In...
  • 【Package Includes】You will get 1*bike ulock, 1*4ft flex cable, 1*mounting bracket and 2*keys, it is very easy to install according to our...
Bestseller No. 15
Titanker Bike U Lock Combination, Bicycle Lock Heavy Duty Anti Theft Combination U Lock with Cable,...
  • Heavy duty combination U lock: The U lock weights 0.8kg/1.76lbs, the steel cable is 0.4kg/0.88lbs. Lock size: 9.0 inches(length) x 5.7 inches(width)....
  • Durable & resistant: Our bike u lock combination is super secure and durable. The combination is covered by a dust cover to protect and extend...
  • Keyless & safety: This bicycle lock is a securer model because it is a U-lock. With keyless design, no worry about key lost and forget to carry. Set...
  • Offer more security: 16mm heavy duty shackle and cylinder are made of solid zinc alloy. Then it can resist cutting & leverage attacks, and provide...
  • Warm tips: No bike lock is the securest. Never leave your bike locked outside for long periods of time. Especially in high crime areas.
Bestseller No. 16
TiGr Mini+ Titanium Bike Locks. This Bicycle U Lock with Mounting Clip is Heavy Duty, Lightweight &...
  • HIGH SECURITY: TiGr mini+ heavy duty bike u lock is a disc-style ulock cylinder which includes 2 keys. Plus, a push-button u-lock bikes bolt feature -...
  • MOUNTING CLIP INCLUDED: Our anti theft metal hook comes with a free mount clip/holder. It is easy to use and install as a bottle cage and holds any...
  • SCRATCH-RESISTANT AND LIGHTWEIGHT: Our titanium road bicycle locks weigh 0.9 lbs/0.4 kg which is less than a full water bottle and less than half the...
  • AWARD-WINNING ELEGANT DESIGN: TiGr bike locks have been certified ART Level 2. Also, TiGr mini bike lock with key was awarded a RedDot award for top...
  • USA MADE: Our u-locks are handmade in Lebanon, New Jersey USA. So you can be sure that it's made from high quality materials.
Bestseller No. 17
INTEKIN Bike U Lock Heavy Duty Bike Lock Bicycle Lock, 16mm U Lock and 5ft Length Security Cable...
  • STURDY: This bike u lock is made of 0.63inch(including 0.1inch silicone cover) carbon structural steel which is cutting-resistant,...
  • NO BLOCKING: The lock cylinder of u lock is made by zinc alloy blade, which has a precise structure to prevent technical opening. With the lock dust...
  • CONVENIENT USE: The bike lock comes with a 5feet renforcement steel cable which is coated with PVC covering, and the whole diameter of it is 0.47inch....
  • LARGER SIZE: After receiving customer feedbacks about u lock, NOW WITH LARGER SIZE 8.3*5.7inch bike u lock specially designed for most bikes. Besides,...
  • EASY INSTALLATION: The mounting bracket holder is easy to install, you can refer to our instructions to install it. This convenient installation...
Bestseller No. 19
SIGTUNA Bike Locks - 16mm Heavy Duty U Lock with U-Lock Shackle and Bicycle Lock Mount Holder +...
  • [PROTECT YOUR RIDE] This awarded SIGTUNA Bike U-lock is made of 16MM High-Performance Steel for Extensive Holding Power and Resistance against Cut and...
  • [CHOOSE POWER] This Bike Lock Combination has a High-Security Disc-Style Cylinder and Double Deadbolt locking mechanism, very effective and certified...
  • [EASY-TO-USE] This model SIGTUNA Bike Lock Combination comes with a Easy-to-Install Bike Lock Mount, a Protective Coating to protect your bikes paint...
  • [100% MONEY-BACK GUARANTEE] If this U-lock is not the favorite you ever owned - some say it is heavy, but that means quality - just send it back and...
  • [ORDER YOURS NOW] Click "Add to Cart" NOW to get your 16mm SIGTUNA Bike U lock with 1200mm Flex Cable + Mount Bracket tomorrow and give your Bike the...
SaleBestseller No. 20
DadyMart Bike U Lock, 16mm Bike Lock Heavy Duty Combination Bicycle U Lock with U-Lock Shackle, Bike...
  • 4-digit combination: 4-digit combination U lock, high-quality anti-theft lock cylinder, prevent thieves from using a universal key to crack your lock....
  • Solid lock shackle: The U lock shackle has undergone multiple heat treatment processes to increase the hardness and strength, and it is resistant to...
  • Dustproof cover: The locking mechanism adopts the flip cover design, which can not only prevent dust and sand, but also prevent rain from soaking the...
  • Pvc coating: The metal solid lock shackle is covered a PVC coating, and the engineering plastic a soft shell, which will not crack at low temperature...
  • Dimensions: 16mm(Thickness),9.0 inches (Length) x 5.7 inches (Width) U bicycle lock - please note: Manual measurement for reference only.

Having trouble finding a great bike u locks?

This problem is well understood by us because we have gone through the entire bike u locks research process ourselves, which is why we have put together a comprehensive list of the best bike u lockss available in the market today.

After hours of searching and using all the models on the market, we have found the best bike u locks for 2023. See our ranking below!

How Do You Buy The Best Bike U Locks?

Do you get stressed out thinking about shopping for a great bike u locks? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching bike u locks, which is why we have assembled a comprehensive list of the greatest bike u locks available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for bike u locks that you consider buying. Your questions might include the following:

  • Is it worth buying an bike u locks?
  • What benefits are there with buying an bike u locks?
  • What factors deserve consideration when shopping for an effective bike u locks?
  • Why is it crucial to invest in any bike u locks, much less the best one?
  • Which bike u locks are good in the current market?
  • Where can you find information like this about bike u locks?

We’re convinced that you likely have far more questions than just these regarding bike u locks, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for bike u locks, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible bike u locks. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an bike u locks buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available bike u locks currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of bike u locks has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an bike u locks?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your bike u locks.
  5. Customer Ratings: Number ratings grade bike u locks objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their bike u locks.
  7. Product Quality: You don’t always get what you pay for with an bike u locks, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an bike u locks is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining bike u locks information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding bike u locks is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

FAQ:

Q: Which bike lock is best?

A: then a spin bike may be the best choice. You can also buy a street bike trainer or a roller bike stand. These stands allow you to use your ordinary bike as a trainer. They lock your back wheel, allowing you to pedal endlessly indoors without issue.

Q: What is the strongest bike lock?

A: U-Locks. Weight: 4 lb. … Folding Locks. Weight: 3.8 lb. … Chain Locks. Weight: 5.3 lb. … Lightweight Locks. Bell amazon.com These Bell zip tie-type locks are available at Target and on Amazon,and you can have two for less than the price of Hiplok’s Z Lok. Types of Locking Mechanisms. …

Q: How to choose the best bike lock?

A: – Bronze – the lock offers defence against opportunistic thieves – Silver – the lock is a good compromise between security and cost – Gold – the lock offers a high level of security, aimed to secure mid to high-value bikes – Diamond – the lock offers the highest level of security, aimed at securing high-value bikes and electric bikes

Q: What is the best type of bike lock?

A: So what makes the best type of lock? Most ski locks have a thin cable that threads through your bindings to tie them together. These ski locks function similar to bike locks, and most can be secured with a key. However, just like securing a bicycle …

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