The Best Bike U Lock of 2023 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best Bike U Lock of 2023. Check our ranking below.

2,619 Reviews Scanned

Rank No. #1

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. #2

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

SaleRank No. #3

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. #4

Schwinn Anti Theft Bike Lock, Security Level 4, U-Lock, Keys, Black

U-lock helps you store your bike more securely.Note: 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 cover on both U-Lock and cable allows for scratch free, weather resistant locking
Includes mounting bracket for easy storage and transport
Includes 2 keys

SaleRank No. #5

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. #6

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

Rank No. #7

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

Rank No. #8

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.

Rank No. #9

INTEKIN Bike U Lock Heavy Duty Bike Lock Bicycle Lock, 16mm U Lock and 5ft Length Security Cable with Sturdy Mounting Bracket for Bicycle, 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: After receiving customer feedbacks about u lock, NOW WITH LARGER SIZE 8.3*5.7inch bike u lock specially 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. Enjoy your beautiful day like never before!

Rank No. #10

DINOKA Bike U Lock with 4ft Flex Bike Cable and Sturdy Mounting Bracket - 16mm, Heavy Duty for Road Bike Mountain Bike Electric Bike Folding Bike

【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 same time to open it, which is safer than a single-opening head ulock. 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 lock is equipped with 2 rust-proof copper keys with a complex snake-shaped slot, which is safer to use.
【Sturdy and Durable】This bicycle 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. Our bike d lock will provide more security for your bike.
【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 method to protect your bike, suitable for bicycles, motorcycles, electric bike, scooters.
【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 addition, come with a mounting bracket that is suitable for all-round tripods with a diameter ≤ of 1.18in (30mm).
【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 instructions. If you have any questions, please contact us and we will get back within 24 hours.

SaleRank No. #11

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

SaleRank No. #12

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

SaleRank No. #13

KASTEWILL Large Bike Locks Heavy Duty Anti Theft.Secure Combination Bike U Lock with 16mm Shackle, 4ft Length Security Cable.U Bolt Bike Lock for E-Bike,Mountain Bike,Road Bike (Black Large)

【STURDY & DURABLE】KASTEWILL bike U lock is made of environmentally friendly silicone cover and high quality alloy steel which is cutting-resistant, leveraging-resistant and dill-resistant. It will provide your bike with more safety. The silicone cover makes it resist from dust and dirt to prolong the life of your lock. At the same time, this bicycle lock will protect your bike from scratching.
【ADDITIONAL 4FT CABLE】Bike U-lock combin with 4FT steel loop cable can provide your bike with greater locking flexibility and better protection. With 4ft high-quality steel cable allows greater locking flexibility. Secure your bicycle, motocycle, electromobile to bike racks, fences, poles and more.
【MORE SAFE】Mountain bike locks sing zinc alloy lock core and complex serpentine key slot, which has a precise structure to prevent technical opening. Moreover, this bike u lock comes with 2 rust-resistant pure copper keys, it will be more safe and you will never have to worry when you lose one.
【PORTABLE U LOCK】This U-lock is heavy enough to keep your bike safe but light enough to carry around with ease. It measures 11.4in*6.3in. Comes with a high quality mounting bracket which is suitable for all circular tripod in diameter ≤30mm. With the portable size and mounting bracket, you can comfortably put it into your backpack while riding or mount it on the frame of your bike.
【EASY INSTALLATION & CONVENIENCE】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. This easy and convenient installation enables you to take and store your bike lock quickly when out on a ride.

SaleRank No. #14

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. #15

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

Rank No. #16

ValueMax 17mm Heavy Duty Bike U-Lock with Sturdy Mounting Bracket and Keys, Anti Theft U-Lock for Bicycles/Motorcycles/Scooters/Collapsible Doors

【Dimensions】 The u-lock body diameter is 11/16'' for a better anti-cutting function. The U-LOCK SIZE equals L 4-3/8'' x W 1-1/4'' x H 8-1/4'', INTERIOR LOCK SPACE euqals 2-5/8'' x 6-1/4''. The gross weight of the whole lock set is 2 lbs.
【Anti-theft】 Sturdy, durable, extremely secure u-lock discourages most thevies and crimes from your properties, resisting leverage attacks, providing excellent anti-theft performance.
【Accessory set】 A screw, a bracket (u-lock holder) and two keys work together as an accessory set provide a good place for U-lock storage on an item. Four installation steps are : Insert the strap into the back hole of the bracket; Fix the bracket on the bike tube by the strap; Tighten the screw into the the screw slot of the strap; Place the lock on the bracket and tie up.
【Multiple-scene application】 This U-lock applies to multiple objectives like bicycle/motorcycle/electric vehicle/iron door/glass door. A helper on property protection with cost-effective value.
【Durability & Strength】 High quality material consists of steel and silicone with attributions of sturdiness and water-proof. U-lock can endure both low and high temperature from -9.4℉~ 158℉.

SaleRank No. #17

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

Anti-Theft Design: Heavy duty U-lock with sturdy mounting bracket for security and protection against theft.
Durable Steel Construction: Made from strong steel material for long-lasting use and reliable performance.
Easy to Use: Hand control for quick and convenient unlocking and locking of your bike.
Secure Fit: Sturdy mounting bracket securely attaches to your bike frame or wheel for added protection.
Versatile Use: Can be used for mountain bikes, e-bikes, and scooters for added convenience and protection.

Rank No. #18

Retrospec Lookout U-Lock Bike Lock with 4Ft Security Cable, Heavy Duty Anti-Theft Bicycle Lock with 14mm Shackle, Pick Resistant & Secure Anti-Rotation Design

Virtually Indestructible This bike lock is made from 14mm hardened steel, making it ultra-strong and durable and offering you peace of mind when you lock up your bike.
Pick & Cut Resistant The hardened deadbolt lock’s anti-rotation design is pick-resistant, and the coated cable offers protection against cutters, adding extra layers of security against theft.
Everything You Need This bike lock includes everything you need to lock up your bike securely: two rust-resistant stainless steel keys and a 4ft cut-resistant cable come with the U-Lock shackle.
Peace of Mind Between Rides Lock up your bike and never look back. Virtually indestructible and offering maximum security, you can trust that your bike will still be there when you return.
Compatible With Most Bikes With a 9”x4” inside shackle dimension & flexible 4ft cable, this U-Lock can accommodate almost any bicycle frame and wheels.

Rank No. #19

UBULLOX Bike U Lock Heavy Duty Bike Lock Bicycle U Lock, 16mm Shackle and 4ft/6ft Length Security Cable with Sturdy Mounting Bracket for Bicycle, Motorcycle and More

STURDY & DURABLE: This bike lock is made of 16mm/0.63inch(including 0.1inch environmentally silicone cover) alloy steel which is cutting-resistant, leveraging-resistant, and drill-resistant. The bicycle lock will provide your bike with more safety.
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 lock comes with 2 rust-resistant copper keys that have complex serpentine slots, it will be safer.
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 cable is 0.48inch. It will provide your bike with greater locking flexibility and better protection.
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 ≤30mm. With the portable size, you can put the bike u lock into your bag or mount it on the frame of your bike.
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 cover of u lock will protect your bike from scratches. And it will prolong the life of your u lock.

SaleRank No. #20

Kryptonite Kryptolok Standard Bike U-Lock, Heavy Duty Anti-Theft Bicycle U Lock, 12.7mm Shackle with Mounting Bracket and Keys, High Security Lock for Bicycles Scooters

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

Last update on 2023-08-13 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

How Do You Buy The Best Bike U Lock?

Do you get stressed out thinking about shopping for a great Bike U Lock? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching Bike U Lock, which is why we have assembled a comprehensive list of the greatest Bike 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 Bike U Lock that you consider buying. Your questions might include the following:

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

We’re convinced that you likely have far more questions than just these regarding Bike 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 Bike 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 Bike U Lock. Make sure that you are only using trustworthy and credible websites and sources.

We provide an Bike 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 Bike 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 Bike 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 Bike 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 Bike U Lock.
Customer Ratings: Number ratings grade Bike U Lock objectively.
Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Bike U Lock.
Product Quality: You don’t always get what you pay for with an Bike U Lock, sometimes less, and sometimes more.
Product Reliability: How sturdy and durable an Bike U Lock is should be an indication of how long it will work out for you.

We always remember that maintaining Bike 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 Bike 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 Bike U Lock of 2023 – Reviewed and Top Rated

How Do You Buy The Best Bike U Lock?

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