Best Combination Bike U Locks in 2026

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.

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.

【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 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.

Product 1: Outdoor heavy duty bike U-lock is best used as a bicycle lock

Product 1: U-shaped steel bike lock with key; Includes carrier bracket for easy transportation

Product 1: Bike lock features a hardened steel body and double locking shackle for superior cutting and prying resistance

【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.

PROTECT WHAT YOU VALUE ✔ This High Performance and Certified SIGTUNA Bike Folding Lock is made of special hardened ABS Steel bars and rivets and provides Maximum Security for your bike in all risk ares!

STRONG AND SECURE ✔ This SIGTUNA Folded Bike Lock is made 5mm Steel Bars, with specially designed rivets for extensive holding power against leverage attacks!

DURABLE and EASY TO USE ✔ This Bike Fold Lock comes with soft-touch Coating on the bars and matching silicone Lock Body Cover to protect your bike's paint job and an a easy-to-mount Mounting Bracket.

【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.

KEYS-FREE: No need any key to secure your, motorcycle, e-scooter, gate. No more worry for forgetting keys.

STRONG SHACKLE: The 14 mm hardened zinc alloy shackle resists both cutters and leverage attacks. 4mm PVC coating protects the lock from any scratching.

COMBINATION: Easily set your own 5 numbers by the fist use. Smooth dials turning gives you confidence for quality.

LIGHTEST DIAMOND SOLD SECURE U LOCK FOR ITS SIZE - Best Lightweight Portable & Solid Professional Lock - No Code or Chain. Perfect for Outdoor & Urban Cycling. Bolt Cutter Drill Pick & Saw Proof Hard Bikelock

PATENT ULTRA STRENGTH HEAVY DUTY ANTI THEFT TECHNOLOGY - Anti Cut Durable Waterproof Weatherproof Bicycle Protector with Antitheft Triangle Shaped Crossbars. Strongly Tested Guard System Stops Thief Attacks

RELIABLE HIGH PERFORMANCE PROTECTION - SeatyLock Pro Break Resistant Thief Deterrent. Compact & Easy Carry Bike Accessory. Rust Prevention Coating & Components for Dependable & Quality Safety

【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.

Heavy duty bike lock provide your bike with more safety: 14.7mm heavy duty locks which is made of 13mm hardened steel and solid zinc alloy & 1.7mm PVC coating. Then it can resist your lock from hand tool’s cutting & leverage attacks, and provide your bike more safety.

PVC coating & dust cover: The whole lock is covered by quality PVC material coating for keeping your bike lock from scratching rusting and great appearance.

Free transportation bracket: Come with a free high-quality mounting bracket holder for easy transportation. Our bracket is suitable for bike circular tube:20-40mm, please measure diameter of your bike circular tube before placing an order. You could refer to our instruction to install the bracket.

【Imported Lock Cylinder and Dust Cover】The D 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 locks heavy-duty anti-theft combination is equipped with two rust-proof copper keys with a complex snake-shaped slot, which is safer to use.

【Double-opening Head】Our keabys bicycle u lock combination for electric scooter lock (some people call it D lock ) is a double-opening head, the thief needs to break u shape of ulock bike lock (Candado para Bicicletas)on both sides at the same time to open it, which is safer than a single-opening head u bar bike lock.

【Thick Silicone Bicycle Locks with Combination】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.

✔️3-IN-1 BIKE LOCK SET: This set comes with (1) 33.5”HRC55 Steel Folding Lock with 2 Keys; (2) 15mm heavy duty bike U-Lock Shackle with 2 Keys; (3) 6 feet extended bike lock cable.

✔️SUPER HARDNESS FOLDING LOCK: The folding lock was made of extra-hardened HRC55 Rockwell stainless steel with 0.25-inch thickness. The bike folding lock open diameter is 33.5”which is a perfect size for electric bike and fat tire scooters

✔️HEAVY-DUTY BIKE U LOCK WITH CABLE: This bike u-lock has an extra thickness of 0.6-inch and the U-shape size is 11”x6”, it was also made of HRC55 Rockwell super-hardness stainless steel fully coated with weatherproof PVC and rubber. The extension cable of 6-foot long and 0.4-inch thickness would provide extra protection to both your bike and helmet

STRONG & SAFE The 0.57'' 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. 0.98 kilograms of weight in exchange for enough strength and security

LAGER U-SPACE: Interior locking dimensions: 7.5" x 4.5", Exterior dimensions: 9.8" x 7". Easy to carry and store. It provides more inner U-space than other U-locks to help lock items. 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

[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 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!

[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!

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

【Imported Lock Cylinder and Dust Cover】The D lock cylinder of the bicycle is made of C-grade pure copper blades and has a precise structure to prevent various technologies from opening. When you finish the lock, you can rotate the cover to protect the lock head from dust and water. In addition, the bike locks heavy-duty anti-theft combination is equipped with two rust-proof copper keys with a complex snake-shaped slot, which is safer to use.

【Double-opening Head】Our keabys bicycle u lock combination for electric scooter lock (some people call it D lock ) is a double-opening head, the thief needs to break u shape of ulock bike lock (Candado para Bicicletas)on both sides at the same time to open it, which is safer than a single-opening head u bar bike lock.

【Thick Silicone Bicycle Locks with Combination】This u bolt electric scooter locks anti-theft 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, increasing the sturdiness and durability of the lock, so u lock ebike lock will provide more security for your bike.

Hefty & Strong Cut Resistant: Our motorcycle chain lock is made of unbreakable 3T manganese steel with a special anti-corrosion coating. Each link has a thickness of 2/5", inside height of 13/8" and inside width of 1/2", it can withstand a total of 6KN tension and 13KN shear force providing maximum cut resistance and the bike chain is much safer than most other chain locks in the market, strong and tough.

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

Protection Material: Marketable bike chain locks expose your items/property to potential damages and scratches when in use. Painted on our U lock combination with a protective vinyl coating (PVC), our security motorcycle chain lock is wrapped by a water-resistant nylon sleeve, it resists corrosion from water, dust, and dirt to prolong the life of your lock, and prevent scratching your property.

✔️3-IN-1 BIKE LOCK SET: This set comes with (1) 33.5”HRC55 Steel Folding Lock with 2 Keys; (2) 15mm heavy duty bike U-Lock Shackle with 2 Keys; (3) 6 feet extended bike lock cable.

✔️SUPER HARDNESS FOLDING LOCK: The folding lock was made of extra-hardened HRC55 Rockwell stainless steel with 0.25-inch thickness. The bike folding lock open diameter is 33.5”which is a perfect size for electric bike and fat tire scooters

✔️HEAVY-DUTY BIKE U LOCK WITH CABLE: This bike u-lock has an extra thickness of 0.6-inch and the U-shape size is 11”x6”, it was also made of HRC55 Rockwell super-hardness stainless steel fully coated with weatherproof PVC and rubber. The extension cable of 6-foot long and 0.4-inch thickness would provide extra protection to both your bike and helmet

Sturdy and Durable: Heavy duty bicycle U lock is made of hardened max-performance steel shackle resists cutting and leverage attacks.

Easy and strong to lock your bike:The bike lock with 14mm U shack to lock and go! Locking your bike and your wheels with 10mm x 1200mm cable, fast and easy with our quick, no-hassle system.

Design & Performance: Silica gel layer coated protect the d-lock bike lock prevent scratched. Waterproof bike lock with mounting bracket, no extra packing required.

HEAVY DUTY DOUBLE LOCKING: This high security bike U-lock has strong mechanism that increases holding power and provides extra protection against attacks. The double locking blocks both shackle ends and the highest security disc-style key cylinder is pick and drill resistant.

FULL SECURITY PACK: Tough U-lock, 13mm-0.5in pure steel (not counting the outer rubber as others do), heat-treated hardened max-performance steel shacke, resists hand tools, bolt cutters and levarage attacks. As additional security, it includes a very flexible braided steel cable to fix other parts of your bicycle to a fixed point as a security anchor URBAN UR55.

OPTIMAL SIZE MORE POLYVALENT: This bicycle anti-theft U lock has been devoleped after a deep market research in cooperation with bicycle specialist pros to provide you the optimal zize in order to be more polyvalent, functional and easy to carry. Exclusive U-locking dimension 80x190mm-7.48x3.14 that you can use alone or in combination of the 120cm-47.2in double looped cable made of 10mm-0.4in braided steel.

U-Locks

X4P Quattro Locking Mechanism for four-sided protection

Mini 90 x 140mm (3.55x5.52”) ;TriRadius shackle Cable 120CM X 10mm (4' X .39")

【Durable, Sturdy, Safe】 Made of high quality steel and PVC material, the heavy duty lock has strong anti-theft function which resists the crime tools like hydraulic shears and hammers. The 16mm shackle endues cut-resistant, leverage-resistant, drill-resistant features. 2 keys act as dual lock-open tools, sometimes, if one key lost, then, another one rescues. The lock body matches the security cable, which are perfect partners in protecting your properties.

【Convenient Use】 This bike lock set comes with a 73 inch in length, 1/2 inch in diameter double looped ends steel cable with PVC covering. Only several steps, the mounting bracket will be installed on the bike post, which can play a role as a lock body storage place. The joint protection of the lock set is easily completed once u-lock body inserted into the mounting bracket, the cable twined with the railing or the protecting target, making greater locking flexibility and better protection.

【U-Lock & Cable Size/Weight】 The u-lock size : L 5'' x W 1-1/4'' x H 7-3/4'', lock interior space : 2-3/4'' x 5-7/8'', the lock arc diameter is 5/8''. The cable size : φ1/2'' * 73-1/4''. The whole u-lock combination weight : 2.72 lbs (1235 grams).

Brand New.Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit.

Never Used

In the manufacturers retail Packaging

This High Performance Folding Lock is made of special 3mm thick hardened ABS Steel bars and is uncuttable to provide Maximum Security for your bike in any location!

This folding bicycle lock can easily mount to your frame, it's light weight design makes it secure and easy to ride with. Better than any other chain, cable, combination u lock accessories out there!

4-Digit resettable combination lock system. This foldable keyed bike lock is comparable to top brands such as kryptonite, abus, etronic, sigtuna, Amazon and seatylock.

【SECURITY 】 This Bike U-lock meets all your security needs: a Heavy Duty 14.6mm U-lock that is Durable and Easy to Use plus an 1800mm Cable that gives you solid security in every location. Suitable for gate/door/bicycles/e-bikes/motorcycles/scooters, etc.

【KEYLESS】 Choose JOYTUTUS bike u lock combination, 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 u bike 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.

【 High Quality U Lock】:ROCKBRO bike U lock is made of 0.84inch (21.4mm)alloy steel( including 0.36inch silicone cover). The Lock features zinc alloy C grade lock cylinder, Which is leveraging-resistant, cutting-resistant, and drill-resistant. Also, the lock is able to resist 12 tons of cutting force. Even a smart thief , cannot do anything about it

【 Loop Cable &Versatile Use】:Comes with a 3.94 ft double looped ends steel cable, which has t PVC shell. The whole diameter of the cable is 0.39inch. There are 3 rust-resistant copper keys that have complex serpentine slots, keys are not easy to be coppied. This lock is strong to keep your bike ,sccoter or motorcycle safe

【Fully Protection】: This bike lock features a hardened steel body and double locking shackle for superior cutting and prying resistance. The lock crossbeam has passed multiple quenching heat treatment processes to improve the hardness and strength, effectively resist any violent damage

** [ Premium Heavy Duty Bike Lock ] : This bike lock comes with a diameter 0.65 inch heavy duty shackle and has excellent heat resistant and hydraulic shear resistant. Equipped with a 0.10 inch silicone cover,helps to protect your bike from scratches, and the lock from wearing out.

** [ Adjustable Shackle Lock ] : Upgraded 4 digit combination locks come with U-shaped adjustable shackle, which can be full drawn out. The inner diameter of the lock beam can be adjusted up to 190mm, and the shortest is 170mm. It will meet more needs for your indoor and outdoor use.

** [ High Security and Anti-theft ] : This combination lock consists of 4 digits and offers 10,000 combinations. It is more secure than a 3-digit lock. You can set your preferred combination, which is enough to protect your property and your privacy.

【Heavy Duty Bike Lock】It is made of 0.73 inch high quality alloy steel, which is cut, lever and drill resistant. Covered with a 0.10 inch silicone cover, the heavy-duty anti-theft bike key lock will stay protected from wear and tear while also protecting your bike from scratches.

【SECURITY ANTI-THEFT】The bike lock has a built-in zinc alloy lock cylinder that is certified to resist lever attacks and has excellent anti-theft performance, so your bike will get the best security protection.

【Portable U-Lock】This scooter U-lock is heavy enough to keep your bike safe, but light enough to carry. It measures 4.8*7.08 inches and is widely used for mountain bikes, road bikes and folding bikes, providing you with high quality bike security protection.

1、This lock apply to bicycle ,glass door,and moto or electric bike and many more.

2、This zinc alloy lock has beautiful and lightweight.

3、This 4 digit combination password lock have 10.000 combination password choice.

IDEAL FOR QUICK STOPS - The tough, compact HEXBAND is an innovative theft deterrent device designed for short stops on any ride. Whether you’re running an errand, meeting a friend for lunch, or browsing the farmer’s market, this convenient cinch lock has you covered without weighing you down.

LIGHTWEIGHT & PORTABLE - The 30” HEXBAND weighs only 250 grams (0.55 lbs); much lighter than a U-Lock. It coils down to just 3.5” in diameter when not in use and can easily be carried in a pocket, saddle bag, or backpack, or on your bike’s frame.

REINFORCED, PATENTED DESIGN - The HEXBAND lock is made with twice as much steel as the Original. Six layers of stainless steel wrapped in an ultra tough Kevlar jacket that resists the cutting and sawing of many tools commonly used in opportunity theft. The band is coated in anti-scratch Santoprene plastic, which has rubber-like characteristics, to protect your bike frame and designed with a resettable 3-dial combination.