The Best bicycle u-lock of 2023 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best bicycle u-lock of 2023. Check our ranking below.

2,385 (random number) Reviews Scanned

Rank No. #1

Master Lock U-Lock Bike Lock with Key, U-Lock for Bicycles, Lock for Outdoor Equipment, Black

Outdoor heavy duty bike U-lock is best used as a bicycle lock.Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit.
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

Rank No. #2

Kryptonite Combo Bike U-Lock Standard, Anti-Theft Security Bicycle Lock, 12mm Steel Shackle, 4-Digit Resettable Combination U Lock for Scooter Road Mountain Bikes

DURABLE DESIGN: This Anti-Theft bike u lock features a 12mm hardened steel shackle that provides high security against theft. This combo u-lock includes an easy to use 4-digit resettable combination and no keys for you to lose
MULTI-FUNCTIONAL: This Kryptonite bike lock is ideal to secure your bicycles, sports equipment, gates and fences, tool boxes & ladders, grills & lawnmowers, skateboards, truck bed and more
PORTABLE SIZE: This is a standard size bicycle u lock which is great for many lock-up scenarios. Size interior locking dimensions are 4" x 8" and exterior locking dimensions are 6.5” x 9.5”
COMBO SAFE PROGRAM: Register your unique 4-digit combination code on our website and our customer service team will be able to help, should you forget your combination
ANTI-THEFT PROTECTION OFFER (ATPO): Up to $500 reimbursement upon registration. Kryptonite stands behind its products by providing an Anti-Theft Protection Offer on specific locks. Created by Kryptonite in 1978, the Anti-Theft Protection Offer is a program that reimburses registered customers for a specific monetary amount in the event their bicycle/motorcycle is stolen due to the opening or breaking of the lock by force

Rank No. #3

Schwinn Basic U Lock Bike with 2 Keys, Anti Theft Bicycle Lock, Black, Security Level 4

Hardened steel shackle is durable and designed to keep your bike safe, remember to measure your door's backset, cross bore and thickness to ensure you find the right fit
Durable steel U-lock withstands 5,000 of cutting force for maximum theft deterrence
Vinyl covering on both the U-Lock and cable ensures secure locking that is resistant to weather and prevents scratching
Comes with mounting bracket so you can mount directly to your bike
Includes a pair of keys, ensuring you always have a backup and never need to remember a combination

SaleRank No. #4

Kryptonite Kryptolok Standard Bike U-Lock with Cable, Heavy Duty Anti-Theft Bicycle U Lock, 12.7mm Shackle and 10mm x 4ft Length Security Cable with Mounting Bracket and Keys

12.7mm Hardended Performance Steel Shackle Resists Hand Tools, Bolt Cutters, and Leverage Attacks; 10mm Steel Looped Cable For Additional Security
Interior Locking Dimensions; 4" x 9" 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 $1,750 Reimbursement
Secure Mounting Bracket; Includes versatile Flexframe-U Bracket, allowing you to carry your bike lock during transportation

Rank No. #5

Kryptonite Keeper Standard Bike U-Lock, Heavy Duty Anti-Theft Bicycle U Lock Sold Secure Silver, 12mm Shackle with Mounting Bracket and Keys for Bike, Motorcycle, Scooter, Bicycle, Door, Gate, Fence

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

SaleRank No. #6

Bike U Lock with Cable - Via Velo Heavy Duty Bicycle U-Lock,14mm Shackle and 10mm x1.8m Cable with Mounting Bracket for Road, Mountain, Electric & Folding Bike

✔️ DURABLE ALL-WEATHER PROTECTION – Via Velo bike U-lock with hexagonal PVC cover resists corrosion from water, dust and dirt to prolong the life of your lock. All-weather performance means peace of mind and better security
️ ✔️ 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 to lock and go! Locking your bike and your wheels with 10mm x 180cm cable, fast and easy with our quick, no-hassle system. Great bike safety tool
✔️ 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 and the other you can leave at home in case the trouble when you lose one carelessly
✔️ SIMPLY INSTALLING BRACKET ON YOUR BIKE – Convenient high-quality mounting bracket means your lock goes with you, Our bracket is suitable for bike tube:20-42mm. Pls refer to our picture to install the bracket Value for your money
LIFETIME WARRANTY AND CUSTOMER SERVICE: Via Velo is committed to providing our customers with high quality products . If you are having any problems with Via Velo product, please reach out to our Customer Service Team. Our Team will solve your issue as soon as possible. We give our locks with a limited lifetime warranty so you can buy your lock with confidence. Rest Assured

SaleRank No. #7

DINOKA Large Bike U Lock Combination with Keys,16mm U Lock for Bicycle with 4ft Flex Bike Cable and Mounting Bracket,U Bolt Bike Lock for E-Bike,Mountain Bike,Road Bike

【Double-opening Head】Our DINOKA bicycle u lock combination (some people call it D lock ) is a double-opening head, the thief needs to break u shape bike lock on both sides at the same time to open it, which is safer than a single-opening head u bar bike lock.
【Imported Lock Cylingder】The lock cylinder of the bicycle is made of C-grade pure copper blades and has a precise structure to prevent various technologies from opening. In addition, the bike u locks heavy-duty anti-theft is equipped with two rust-proof copper keys with a complex snake-shaped slot, which is safer to use.
【Thick Silicone Bike Locks Heavy Duty Anti Theft】This u bolt bike lock is made of 16mm/0.63 inch (including 0.1 inches friendly silicone sleeve) hardened high-performance alloy steel, which can resist cutting and lever attacks, increased the sturdiness and durability of the lock, so u lock bike will provide more security for your bike.
【Large U Lock Size】The size of u lock for bicycle is 11.42 in * 6.3 in, which is a bigger size than a 9.7in tablet or the magazine and is convenient to carry. In addition, come with a mounting bracket that is suitable for all-round tripods with a diameter ≤ of 1.18in (30mm).
【Convenient to Lock】The ulock bike lock comes with 4 feet/0.48in double-loop steel cable which is coated with PVC covering to provide a greater locking method to protect your bike, you will get a more flexible space to lock your bike, suitable for mountain bicycles, motorcycles, electric bike, scooters bike, and courtyard gates.

Rank No. #8

Kryptonite Bike U-Lock with Braided Steel Cable, High Security Anti-Theft Bicycle U Lock, 12mm Shackle and 8mm x4ft Length Security Cable with Keys for Scooter Road Mountain Bikes,Black

DURABLE DESIGN: This Anti-Theft bike lock features a 12mm hardened steel shackle with a bent foot anti-rotation design that resists bolt cutters and twisting leverage attacks. The lock disc-style cylinder side keyway is protected by a sliding dust cover and is pick and drill resistant
MULTI-FUNCTIONAL: This Kryptonite bike lock is ideal to secure your bicycles, sports equipment, gates and fences, tool boxes & ladders, grills & lawnmowers, skateboards, truck bed and more
SPECIFICATIONS: U-Lock interior locking dimensions are 3.25 in. x 6.25 in, 12mm steel shackle with a weight of 2 lbs. Bike lock security cable is 4 ft. (1.2 m) long and 5/16 in. (8 mm) wide in diameter. Includes two stainless steel keys with an ergonomic design to reduce torque and prevent bending or breaking
KEY SAFE PROGRAM: Kryptonite will ship your first 2 keys for free, globally, in the event you lose them. Register your unique key code on our website so you can order new keys if you ever misplace them
ANTI-THEFT PROTECTION OFFER (ATPO): Kryptonite stands behind its products by providing an Anti-Theft Protection Offer on specific locks. Created by Kryptonite in 1978, the Anti-Theft Protection Offer is a program that reimburses registered customers for a specific monetary amount in the event their bicycle/motorcycle is stolen due to the opening or breaking of the lock by force

SaleRank No. #9

Bell 7067993 Catalyst 300 U Lock, Black

A must on campuses and in high-crime areas.Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit.
8 inch hardened steel shackle and crossbar for Tough Security
Carrying Bracket with Quick release guarantees ease of Transportation
Vinyl crossbar and shackle coating Protects bike from scratches
500 anti-theft Protection and 2 keys included

Rank No. #10

Bike U Lock,20mm Heavy Duty Combination Bicycle D Lock Shackle 4ft Length Security Cable with Sturdy Mounting Bracket and Key Anti Theft Bicycle Secure Locks

【Premium Heavy Duty Bike Lock】 This bike lock comes with a 0.86 inch heavy duty shackle and has excellent heat resistant and hydraulic shear resistant. Equipped with a 0.10 inch silicone cover, it can prevents scratch well and provides excellent safety protection for your bicycle.
【Security and Anti-theft】The bicycle lock is built-in imported c grade pure copper look cylinder, which is certified to resist leverage attacks and provides excellent anti-theft performance, so that your bicycle can be protected with the best safety.
【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 mounting bracket, allowing you to easily install and use it without additional tools. It is very user-friendly.
【Portable and Practical】The bicycle U lock size 11.42 × 6.3 inch, which is lightweight and convenient to carry and store. It is widely used in mountain bicycles, road bicycles, and folding bicycles, providing you with high-quality bicycle safety protection.
【Get Satisfied U Lock Bike Lock】Our combination bike lock set includes bike bock, keys, flex cable and mounting bracket for protecting your bike in all directions. If you have any dissatisfaction with anti theft bicycle lock, please feel free to contact us.

SaleRank No. #11

Kryptonite New York Standard Bike U-Lock, Heavy Duty Anti-Theft Bicycle U Lock Sold Secure Gold, 16mm Shackle with Mounting Bracket and Keys, Ultimate Security Lock for Bicycles E-Bikes Scooters

16mm Hardended Max Performance Steel Shackle Resists Hand Tools, Bolt Cutters, and Leverage Attacks.Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit.Control Method:Application
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
Secure Mounting Bracket; Includes versatile Flexframe-U Bracket, allowing you to carry your bike lock during transportation

Rank No. #12

INTEKIN Bike U Lock Heavy Duty Lock , 16mm U Lock and 5ft Length Security Cable with Sturdy Mounting Bracket for Motorcycle and More, Black, Small

STURDY: This bike u lock is made of 0.63inch(including 0.1inch silicone cover) carbon structural steel which is cutting-resistant, leveraging-resistant. The silicone cover makes u lock can resist corrosion from dust and dirt to prolong the life of your bike lock
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 cover and zinc alloy lock cylinder, no need to worry about blocking when opening the bicycle lock
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. With the cable, it will provide your bike with greater locking flexibility and better protection
LARGER SIZE: Introduced a larger bike u-lock size of 8.3*5.7 inches, specifically designed for most bikes. Besides, comes with a mounting bracket that is suitable for all circular tripod in diameter ≤1.18inch
EASY INSTALLATION: The mounting bracket holder is easy to install, you can refer to our instructions to install it. This convenient installation enables you to store your bike lock quickly when on a ride

SaleRank No. #13

Kryptonite Evolution Mini-7 Bike U-Lock with Cable, Heavy Duty Anti-Theft Bicycle U Lock, 13mm Shackle and 10mm x4ft Length Security Cable with Mounting Bracket and Keys

13mm Hardened Max Performance Steel Shackle Resists Hand Tools, Bolt Cutters, and Leverage Attacks; 10mm Steel Looped Cable For Additional Security.Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit.
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

Rank No. #14

USHAKE Bike Combination U Lock, Heavy Duty Bike Combination U Lock Paddle Lock for Bicycle Electric Scooter Motorcycles Metal Fence Gate Anti Theft

【KEYS-FREE】Bike lock combination for security of your, motorcycle, electric scooter, gate. No more worry for forgetting keys with scooter lock with combination.
【COMBINATION】A strong motorcycle lock with easily setup to your own 4 numbers by the fist use. Smooth dials turning gives you confidence for quality.
【STRONG SHACKLE】The bike locks heavy duty anti theft 10 mm hardened zinc alloy shackle resists both cutters and leverage attacks. 4mm PVC coating paddle lock protects the lock from any scratching. Good gate locks for metal fence.
【SOLID CYLINDER & HEAVY DUTY】High security plastic covered cylinder to avoid dust and heavy duty weight (1.25 pounds) U-lock combination for top security of your belongings.
【Customer service】If there is any issues about USHAKE scooter locks anti theft product , Please reset the code to default "0000" before returing and inform us at any time for after sales service and we will follow up closely.

SaleRank No. #15

Bike U Lock - Sigtuna Bike Lock Heavy Duty Anti-Theft with 4ft/1.2m Cable, Bicycle U Lock with Sturdy Mounting Bracket for Mountain Bikes, Ebikes, Scooters

PROTECT YOUR RIDE ✔️ This awarded SIGTUNA anti-theft Bike U-lock is made of 16MM High-Performance Steel for Extensive Holding Power and Resistance against Cut and Leverage attacks with a wapping 85/100 Security Rating. Get the best security available and protect your ride with Sigtuna Locks!
CHOOSE POWER ✔️ This Bike Lock Combination has a High-Security Disc-Style Cylinder and Double Deadbolt locking mechanism, very effective and certified against Leverage Attacks. With SIGTUNA you make the right choice and give thieves no chance! Great bike accessories!
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 and not 2, but 3 Laser-Cut Abloy Keys. With this lock you get Security AND Convenience!
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 get a 100% refund. SIGTUNA stands for its products. Our customers love that, we know you will too!
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 Love it deserves.

Rank No. #16

NDakter Combo Bike U Lock with Cable,14.6mm Bike Locks Heavy Duty Anti Theft and 12mm x1.5m Cable,4-Digit Resettable Combination Bike U Lock,Bicycle Lock for Bike,Electric Scooter, Motorcycle,Door

STRONG & SAFE: The 14.6mm diameter bike U lock is made of hardened high-performance alloy steel, and the lock head is made of zinc alloy. The U-lock is resistant to cutting and leverage attacks and provides excellent anti-theft performance. 0.89kg of weight in exchange for enough strength and security. 12mm x1.5m (including PVC cover) steel cable provides you with multiple locking, two annular ends can pass through each other and gives you solid security in every location, simple and fast.
LAGER INNER LOCKING SPACE: The U Lock interior locking dimensions: 7.5" x 4.5", Exterior dimensions: 9.8" x 7". U-lock and steel cable are easy to carry and store. The portable easily fits in backpacks. It provides more inner space than other U-locks to help great lock items. U-locks can be used separately, such as locking bicycles and scooters. NOTICE: NO bracket available
Easy to Use: The bike U lock has a 4-digit resettable anti-theft combination. Keyless convenience and annoyance, no longer have to worry about key loss and key disconnected problems. The initial password is 0000. When you set a new password, please remember to jot it down or take a photo to avoid forgetting it. NOTE: When setting your new password, please first keep the digital wheel in the correct unlock password state before turning the reset disk. Turn the reset disk 90° to set a new password
MULTI-PURPOSE: It is widely used in e-bikes/scooters/bikes/motorcycles/gates/doors/barbecue racks, etc. With it, you can lock everything you want, simple and convenient. NOTE: Never leave your bike in remote places or leave your bike unattended for a long time.
DURABLE: Painted on bike lock combination and cable with a protective vinyl coating (PVC), it resists corrosion from water, dust, and dirt to prolong the life of your lock, and prevents scratching property paint.

Rank No. #17

Kryptonite Transit FlexFrame-U Bracket Bike Lock Mount, Lightweight Mounting Bracket for Kryptonite U-Locks 13mm-16mm Shackles, Bicycle Attachment Accessory,Black

Mounts quickly and easy.Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit.
Supports the transportation of the most common size u-locks
Compatible with 13mm & 16mm round shaped shackles
360 DEGREE ROTATION allows for the ability to micro-adjust
Heavy-duty SOFT STRAP SYSTEM contours to bike frame

SaleRank No. #18

Kryptonite Kryptolok Combo Bike U-Lock Standard, Anti-Theft Security Bicycle Lock, 12mm Steel Shackle, 4-Digit Resettable Combination U Lock with Mounting Bracket for Scooter Road Mountain Bikes

12mm Hardened High Grade Carbon Alloy Steel Shackle Resists Hand Tools, Bolt Cutters, and Leverage Attacks
Interior Locking Dimensions; 4" x 8"
Anti-Theft Protection Offer; Up to $1,750 Reimbursement
Lifetime Warranty
13mm hardened high-grade carbon alloy steel shackle resists hand tools

Rank No. #19

JOYTUTUS Bike U Lock with Cable - Heavy Duty Bicycle U Lock with 14.6mm Shackle, 10mm x1.8m Cable & Padlock Holder, Keyless Lock for Outdoor Equipment, for Road Bike/Electric Bike/Motorcycle/Scooter

【SECURITY 】 This bicycle u-lock meets all your security needs: a heavy-duty 14.6mm lock that is durable and easy to use, plus a 1.8m cable that gives you solid security in every location. Suitable for gates/doors/bicycles/electric bikes/motorcycles/scooters, etc.
【KEYLESS】 Choose JOYTUTUS combination bike u lock, no more lost keys! 4-digit set your own combination convenience allows for thousands of possible combinations. Prevent thieves use universal key to unlock your lock. It is recommended that you can take a photo after changing the code, in case you forget the code and cannot unlock it.
【STURDY】This electric bike u lock is made of plastic on the outside and a 14.6mm hardened high-performance alloy steel cylinder on the inside, which can resist cutting and lever attacks, increasing the sturdiness and durability of the lock.
【DURABLE ALL-WEATHER PROTECTION】The scooter u lock resists corrosion from water, dust, and dirt to prolong the life of your lock. All-weather performance means peace of mind and better security.
【ACCESSORIES MATCHING】We also sent you a padlock holder, so you can easily place your lock. Note that when using the padlock holder, the red button has to be located right above the lock number wheel and near the lock part so that the lock can be fixed well. Then you can easily take out or put in the lock just by holding down the red button.

SaleRank No. #20

Bell Catalyst 200 Mini Bicycle U-Lock,Black

6” hardened steel shackle and crossbar for tough security
Vinyl crossbar and shackle cover protects bike from scratches
2 Standard keys (Included)
Free standard key replacement with registered locks and keys, see packaging for instructions on how to register
Security level 3 out of 5

Last update on 2023-08-11 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

How Do You Buy The Best bicycle u-lock?

Do you get stressed out thinking about shopping for a great bicycle u-lock? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching bicycle u-lock, which is why we have assembled a comprehensive list of the greatest bicycle u-lock available in the current market. We’ve also come up with a list of questions that you probably have yourself.

We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for bicycle u-lock that you consider buying. Your questions might include the following:

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

We’re convinced that you likely have far more questions than just these regarding bicycle u-lock, 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 bicycle u-lock, 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 bicycle u-lock. Make sure that you are only using trustworthy and credible websites and sources.

We provide an bicycle u-lock 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 bicycle u-lock 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:

Brand Value: Every brand of bicycle u-lock 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.
Features: What bells and whistles matter for an bicycle u-lock?
Specifications: How powerful they are can be measured.
Product Value: This simply is how much bang for the buck you get from your bicycle u-lock.
Customer Ratings: Number ratings grade bicycle u-lock objectively.
Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their bicycle u-lock.
Product Quality: You don’t always get what you pay for with an bicycle u-lock, sometimes less, and sometimes more.
Product Reliability: How sturdy and durable an bicycle u-lock is should be an indication of how long it will work out for you.

We always remember that maintaining bicycle u-lock 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 bicycle u-lock is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly! We’re here for you all the time. Contact us here. Or You can read more about us to see our vision.

The Best bicycle u-lock of 2023 – Reviewed and Top Rated

How Do You Buy The Best bicycle u-lock?

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