10 Best U Locks Reviewed as of April 2024

Reviews Scanned

Master Lock U-Lock Bike Lock with Key, U-Lock for Bicycles, Lock for Outdoor Equipment, Black, 8170D

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

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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

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

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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

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Bell Catalyst 200 Mini Bicycle U-Lock,Black

5” 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

NDakter Combo Bike U Lock, Bike Locks Heavy Duty Anti Theft, 4-Digit Resettable Combination U Lock with 5Ft Steel Cable,Electric Bike Lock for Bicycle,Ebike,Electric Scooter,Motorcycle,Door

【Keyless Convenience】This Combo Bike U Lock has a 4-digit resettable combination is convenient without the need for keeping a key with you. No more worrying about difficult locks, lost keys or key disconnections. Heavy duty U lock is features a 14.6mm hardened steel shackle,Anti-Theft Security，Very smooth to lock and unlock. The extra 5ft steel cable offers versatility; it's not just about securing the bike frame.Loop it through wheels or helmets and enjoy an extra layer of peace.
【Greater internal locking space】The bike u lock combination interior locking dimensions: 7.5" x 4.5", Exterior dimensions: 9.8" x 7".It provides more inner space than other electric bike lock and u lock to help great lock moer bigger items.The large U shape lock and 5ft steel cable provide ample room to lock the frame and wheels against racks, poles, etc. (NOTICE: NO bracket available)
【Sturdy & Durable】The Bike locks heavy duty anti theft thick 0.57in is made of hardened high-performance alloy steel, the lock head is made of zinc alloy. The u lock is resistant to cutting and leverage attacks and provides excellent anti-theft performance. Heavy duty bike lock enough sturdy and security. The shackle is coated to prevent scratches to your bike. Light weight and easy to carry.
【Easy to Set & Use】The bike u lock for electric bike has a 4-digit resettable anti-theft combination. The initial code is ”0000“. 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.(When you set a new password, please remember to jot it down or take a photo to avoid forgetting it. ).This combo ebike u lock and steel cable works well and is beefy enough to stop casual thieves.
【Multi-purpose】The combination u lock is widely used in ebikes/electric/scooter/bike/bicycle/motorcycles/gates/doors/barbecue racks, etc. With it, you can lock everything you want, sturdy and easy to use.

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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

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.

Jetec 10 Pieces Cabinet Locks for Babies, U-Shaped Proofing Drawers Safety Child Locks Adjustable, Easy to Use Childproof Latch for Knob Handle on Kitchen Door Storage Cupboard Closet (White)

Quantity: you will get 10 pieces u shape child cabinet locks, enough quantity for you to prevent your little baby or smart baby from reaching off-limit rooms, keeping them safe with closet, cupboards or fridges that are filled with stuff that may cause harm to your babies; And helpful in preventing for babies or pets from messing up your cabinet even the house, these cabinet sliding cabinet latch is childproof and petproof
How to Use: first find the direction of the "lock" pattern on the lock, and then thread the lock from this one end to the other, otherwise it will slide off; Do not use in front of toddlers or pets in case of they learn to unlock; Easy to install: the practical design makes this cabinet locks very easy to put on and take off; There is no need of tools, drilling, magnets or adhesive material, you just need to slip them back on when needed
Sturdy ABS material: made of quality ABS material ensuring more durability, the child safety cabinet lock is designed to work well with cabinets or cupboards with knobs or handles in a row; Please be in mind that the sliding cabinet lock is adjustable, and ensure knobs are less to 4.7 inches/ 12 cm between each other
Wide applications: these cabinet locks can help to prevent your little ones from reaching to kitchen cabinets, side by side refrigerator, cupboards, storage doors and make them stay out of trouble, can be applied in kitchen, bathroom, pantry room, bedroom etc.; And these sliding cabinet locks, reusable and convenient, are suitable for all kinds of mushroom shaped round knobs and D-shaped or annular handles, safely keeping curious babies and active pets away from cabinets
Convenient and novel design: childproofing and home safety can be achieved through the sliding cabinet locks; This adult friendly, stylish and slim design of the child proof product allows adults to open and close it easily and the smooth edges allow your toddler to examine them and not get poked or scratched.Attentions: the sliding cabinet lock is adjustable to secure knobs up to 4.7 inches apart on center

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.

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