Top 10 Best ulock in 2026

Last Updated - 6/7/2026

🏆Best Choice

Master Lock

Master Lock Black Bike Lock with Key, Standard Size U-Lock for Bicycles and Other Outdoor Equipment, Anti-Theft Lock for Bikes, 8320D

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•Hardened steel body resists cutting, sawing and prying.Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit.Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit.
•Double locking shackle for superior pry resistance
•Protective vinyl coating helps prevent scratching
•Integrated disc keyed locking mechanism for maximum pick resistance
•Carrier bracket included for easy transportation

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$12.37

$15.99

-23%

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Sportneer

Sportneer Bike Lock: Heavy Duty Anti Theft Bike U Lock with 5ft Security Steel Cable - 17mm Shackle Bicycle U-Locks with Keys & Sturdy Mounting Bracket for Road, Mountain, Electric & Folding Bike

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•Portable & Rugged: The Sportneer bike u lock is both portable and heavy-duty. It measures 7.76x5.02inches, with a thickness of 0.67inches/17mm, and weights 1.64lbs. Plus, its unique polygonal lock body design and silicone coating resist water, dust, and dirt, keeping your bike scratch-free and in tip-top shape.
•Easy to Install & Use: Equipped with a 5ft steel cable and a bracket, the bike lock can secure wheels, frames, or other bikes to posts, fences, or poles. Better yet, the bracket fits bike tubes with a diameter under 26mm/1.02inch-38mm/1.5inch, allowing you to lick your bike with ease.
•Boosted Security & Anti-Theft: Thanks to the zinc alloy lock core and alloy steel lock head, this bike U-lock can withstand hydraulic shear forces up to 12 tons. It‘s tough as nails, resisting cutting, sawing, smashing, and drilling to protect your bike from potential theft.
•Added Convenience and Peace-of-Mind: No more stress of being locked out if you lose your primary key. For extra peace of mind, we’ve included two bike lock keys so that you can carry one and keep the spare at home or in the office, ensuring you won‘t be stranded without access to your bike.
•Wide Applications: Use the bike locks alone or paired with the steel cable--you make the choice! It‘s perfect for securing bicycles, children’s bikes, electric bikes, ladders, barbecue grills, sports equipment, lawnmowers, gates, and more. Make sure to check the size to ensure a perfect fit.
•Gorgeous Gift: Looking for a great gift for family, friends, or cycling enthusiasts? This U-lock is the perfect choice, especially for those who need to park their bikes in public places. It’s a gift that’s sure to lock in their appreciation.

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$26.99

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Kryptonite

Kryptonite Keeper Bike U-Lock Standard with Braided Steel Cable, Heavy Duty Anti-Theft Bicycle U Lock, 12mm Shackle and 10mm x4ft Length Security Cable with Mounting Bracket and Keys,Black

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•HIGH-SECURITY DESIGN: Made from a 12mm hardened steel shackle, this bike lock provides excellent resistance against cutting and leverage attacks
•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. Includes a 4ft 10mm Steel Looped Cable For Additional Security
•SPECIFICATIONS: U-Lock interior locking dimensions are 4 in. x 8 in, 12.mm steel shackle with a weight of 2.40 lbs. Bike lock security cable is 4 ft. (1.2 m) long and 10 mm wide in diameter. Includes two stainless steel keys with an ergonomic design
•PROTECTIVE FEATURES: Durable vinyl coating around the shackle helps prevent scratching and wear and tear on your bike. The high-security disc-style cylinder keyway is pick and drill resistant
•EASY TRANSPORT with BRACKET: Includes a versatile bracket for quick and secure mounting to your bike frame, ensuring convenient transport without the need for a bag or backpack.

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$53.88

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Schwinn

Schwinn Bike U-Lock with Keys, 12 mm x 7.5 inches, Black, Vinyl Coated Steel Shackle, Mounting Bracket for Storage and Transport, Anti Theft Protection, Shackle Bike Lock for Security

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•DEPENDABLE SECURITY: Keep your bike safe with the Schwinn Bike U-Lock, a strong key-operated steel shackle lock that helps deter theft – perfect for securing bikes in public spaces or at home.
•BUILT TO LAST: Made from hardened steel, this 12 mm U-lock delivers level 4 security for reliable bike protection. At 7.5 inches long, it easily secures your bike to racks, posts, or fences.
•PROTECTIVE COVERING: Durable vinyl coating surrounds the heavy duty steel, shielding your bicycle frame from scratches and resisting weather damage, so your U-bike lock stays tough season after season.
•READY TO RIDE: Comes with two keys so you're always covered. No combinations to remember – just lock it and ride. Includes a mounting bracket that attaches the bicycle lock directly to your bike for storage on the go.
•TRUSTED SCHWINN QUALITY: Schwinn is the original American bike brand. We’ve spent over 130 years building the bicycle industry into what it is today, and we’re not done yet. Each product is designed in Madison, WI.

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$15.62

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Weogine

Bike U Lock with 5ft Security Cable 17mm Shackle, Bike Lock with 3 Keys and Mounting Bracket, Bicycle U-Locks Perfect for Road, Mountain, and Electric Bikes,Bicycle Lock

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•[Portable and Built to Last] The Weogine bike U lock combines portability with robust durability. Measuring 7.76x5.02 inches (19.7x12.8 cm) with a thickness of 0.67 inches (17 mm) and weighing just 1.64 lbs (0.74 kg), it’s a powerhouse of protection. Its innovative polygon design and silicone coating not only resist water, dust, and grime but also safeguard your bike from scratches, keeping it in pristine condition.
•[Easy to Install and Use] Equipped with a 5ft steel cable and mounting bracket, this U lock makes securing your wheels, frame, or bike to poles, fences, or racks a breeze. The bracket is compatible with bike tubes ranging from 1.02 inches (26 mm) to 1.5 inches (38 mm) in diameter, ensuring a hassle-free, secure setup.
•[Enhanced Anti-Theft Security]Made with a premium zinc alloy lock core and alloy steel lock head, this U lock can withstand up to 12 tons of hydraulic force. Its rock-solid construction defends against cutting, sawing, smashing, and drilling, delivering comprehensive protection for your bike.
•[Triple-Key Convenience for Peace of Mind]To save you from the stress of losing your key, this lock comes with three keys. Carry one with you, keep one at home, and stash the third at the office. With this backup system, you’ll always have access to your bike, no matter the situation.
•[Versatile and Multi-Purpose]Whether you use the U lock alone or pair it with the steel cable, this lock adapts to your needs. Perfect for securing bicycles, kids’ bikes, e-bikes, ladders, grills, sports equipment, lawnmowers, gates, and more. Just double-check the dimensions to ensure the perfect fit for your needs.
•[The Perfect Gift for Any Cyclist]Looking for a practical yet thoughtful gift for a family member, friend, or cycling enthusiast? This U lock is a fantastic choice. Ideal for those who frequently park their bikes in public spaces, it’s a gift that ensures their bike—and your appreciation—stays locked in place.

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$19.99

$23.99

-17%

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VVA

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

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•【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.

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$23.99

$35.99

-33%

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Kryptonite

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

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•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

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$73.95

$77.95

-5%

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NDakter

NDakter Bike Locks Heavy Duty Anti Theft 18mm Thick, Motorcycle U Lock with 4FT x 6mm Moped Chain, 3Keys Large U-Shape Electric Bicycle Wheel Lock for Ebike, Escooter, Fat-Tire Dirt-Bike, Tricycle

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•【Heavy Duty Anti Theft】 NDakter's bike locks heavy duty anti theft, this bike u lock set is composed of an ergonomic bike u lock for scooter with double-open design and a 6mm x 120cm motorcycle chain. anti theft motorcycle wheel lock adopts 0.7 inch /18 mm hardened steel shackle, with external dimensions of 7.8in x 9.2in, internal dimensions is 5.5in x 7in, the weight of this ebike heavy duty anti theft u lock is 1.6KG, which makes it more secure against theft. The anti theft moped chain is made of high-quality 3T manganese steel chain, stronger than ordinary steel cable. This electric bike lock can effectively resist cutting and lever attacks, sfety of your motorcycle, ebike,moped and more
•【Ergonomic Design & 3 Keys】Motorcycle u lock's cylinder is made of high-quality zinc alloy, and the large u shape is ergonomic, with structural precision, which can effectively prevent technical opening. This bike locks heavy duty anti theft come with 3 keys, so you don't need to memorize the code or worry about losing the keys. They are made of brass, very strong, and not easy to bend or deform
•【Weatherproof & Wear Resistant】Ebike locks heavy duty anti theft chain is wrapped in a durable nylon protector, moped lock outer protector is silicone, weatherproof and suitable for outdoor use, which can effectively prevent your electric bicycle or other property from being scratched by the heavy duty anti theft big u lock and strong motorcycle chain
•【Multi-purpose】: The motorcycle locks anti theft chain is 120cm long, which is enough to lock 3 to 4 tricycles together, you can also lock motorcycle together with a thick bar, and you can use a electric bike locks in low-risk areas. The heavy duty bike chain has two different sized steel rings, the smaller ring can be threaded through the larger ring and has more locking options. It's perfect for locking electric-motorcycle, motorbikes, e-bikes, electric-scooter, moped, tricycle, bicycle, lawnmowers, gates, fences, ladders, grills, sports equipment and toolboxes. This is the perfect gift for family, friends and students.（NOTICE: THE TOTAL LENGTH INCLUDES DOUBLE LOOP ENDS!）
•【Packaging & Help】1 x ebike u lock (0.7in/18mm shackle) ;1 x black chain(6mm x 120cm); 3 x keys. The total product weight is:4.4 lbs.If you have any questions about the product, please inform NDakter at any time for after-sales service, NDakter will follow up closely

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$34.99

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Febabilo

Febabilo Bike Locks Heavy Duty Anti Theft, Combo Bike U Lock, 4-Digit Resettable Combination E-Bike Large U Shaped Lock with 5Ft Steel Cable for Electric Bike, Bicycle, Escooter, Motorcycle,Door

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•【Keyless Combo More Convenience】Febabilo combo bike u lock has a 4-digit code resettable combination is convenient without the need for keeping a key with you. No more worrying about difficult locks, lost keys or key disconnections. Bike locks heavy duty anti theft, very smooth to lock and unlock. The ebike lock is features 14.6mm /0.57inch hardened steel shackle，the shackle is coated (PVC ) to prevent scratches to your bike. The electric bike locks is resistant to cutting and leverage attacks and provides excellent anti-theft performance. U lock bike combination with 0.47inch x 5ft steel cable is enough long to lock 3-5 bikes.
•【Large U Shape Lock】This large U bike lock with combination the interior locking dimensions: 7.5" x 4.5", Exterior dimensions: 9.8" x 7". It has a larger internal space than other bike lock u lock. The Large u shaped lock can be used independently is thick 14.6mm/ 0.57 inches. The Bike lock is a sturdy and heavy combination bike lock, that has given your a sense of security when locking up your e-bike. It's quite reasonably solid strong while not being overly heavy. The bicycle locks heavy duty anti theft with 5ft steel cable provide ample room to lock the frame and wheels. The cable is reasonably flexible, long enough to lock your bike. (NOTICE: The lock doesn't come with a bike mount )
•【Sturdy Solid & Cut Resistant】This is a big, sturdy bike u lock combination is quite heavy and durable, made of thick 0.57 inch hardened high-performance alloy steel. The combination bike lock head is made of zinc alloy resists both cutters and leverage attacks, providing higher security against theft. The thief would have a hard time cutting through this. PVC coating can protects your bicycle scratched, the heavy duty U bar, which also is waterproof. The heavy duty cord is very thick, and along with a 1/16 of an inch of silicone cover that keeps the steel cable from rusting. Smooth combo code dials turning, easy to setup your own 4 numbers combo.
•【Easy to Set & Use】The heavy duty bike u lock has a 4-digit resettable anti-theft combo, the numbers are easy to turn. Combination locking mechanism provide keyless convenience and set your own password by easy steps.When setting your new code, 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. The initial code is ”0000“. You can easily reset the combination. The combination lock is quite convenient and easy to work
•【Multi-Purpose】You can use a u shape lock for bike alone or in combination with the steel cable. They can together lock 3-5 bicycles. The u lock combination is widely used in ebikes/electric/scooter/bike/bicycle/motorcycles/gates/doors/barbecue racks, etc. You can lock up anything that's valuable to you.

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$29.98

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Linn

Bike U Lock with Cable Heavy Duty Bike Lock Bicycle U Lock, 14mm Shackle and 3.77ft Length Cable with Mounting Bracket for Bike Motorcycle and More

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•【Sturdy & Durable】This heavy duty bike lock is made of hardened max-performance steel shackle which resist cutting, sawing and scratching to prolong the life of your lock.
•【Double Protection】The combination bike lock comes with 14mm/0.55inch U lock and a 0.47inch diameter 3.8 feet long extremely durable woven steel cable for double layer of security .Suit for bicycles, motorcycles, gates and fences,etc.
•【3 Keys】The bike U-lock comes with 3 rust-resistant copper keys.One of them can be used in daily life, and the other two can be left at home, in case you lose it.
•【Dust Cover】The lock cylinder of the bike lock is made by pure copper blade, which has a precise structure to prevent technical opening,effectively resists violent lock picking. Dust cover effectively prevent corrosion from rain and debris extending lock life.
•【Portable】Comes with a mounting bracket,can fasten and take it away at any time. you can refer to our instructions to install it. If you had any quality issues with our anti theft lock, please contact us and we will provide you with a satisfied solution(refund or replacement).

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$15.19

$15.99

-5%

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