The Best Bike U-Locks

Looking for the best Bike U-Locks?

Discover now our comparison of the best Bike U-Locks. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Bike U-Locks are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Bike U-Locks in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.

SaleNo. 1

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

DURABLE DESIGN: This Anti-Theft bike lock features a 13mm hardened max-performance 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. Includes a 4ft 10mm Steel Looped Cable For Additional Security
SPECIFICATIONS: U-Lock interior locking dimensions are 3.25 in. x 7 in, 13mm steel shackle with a weight of 3.55 lbs. Bike lock security cable is 4 ft. (1.2 m) long and 10 mm wide in diameter. Includes three stainless steel keys with an ergonomic design
EASY TRANSFORT with FLEXFRAME-U BRACKET: Includes a versatile FlexFrame U-bracket for quick and secure mounting to your bike frame, ensuring convenient transport without the need for a bag or backpack
OPTIONAL ANTI-THEFT PROTECTION: Eligible for Kryptonite’s Anti-Theft Protection Offer (ATPO) up to $2,500 coverage for registered locks
LIFETIME WARRANTY AND CUSTOMER SERVICE: Kryptonite is committed to providing our customers with high quality products, ensuring full satisfaction. If you are experiencing any problems with your product, please reach out to our Customer Experience team. We will work to solve your issue as quickly as possible. We provide our locks with a limited lifetime warranty so you can buy your lock with confidence.

No. 2

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

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.

SaleNo. 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

No. 4

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

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

SaleNo. 5

Kryptonite New York Standard Bike U-Lock, Heavy Duty Anti-Theft, 16mm Shackle with Mounting Bracket and Keys, Ultimate Security 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

No. 6

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

SaleNo. 7

Kryptonite Keeper Standard Anti-Theft U-Lock, Heavy Duty, 12mm Shackle, Black, Combination Lock, Lifetime

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
SPECIFICATIONS: U-Lock interior locking dimensions are 4 in. x 8 in, 12.mm steel shackle with a weight of 2.05 lbs. 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.

SaleNo. 8

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

[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.

No. 9

Via Velo Bike U-Lock with Cable, Heavy Duty Anti-Theft Bicycle U Locks with 8mm Braided Steel and 3 Keys, 4ft Length Security Cable for Bike, Scooter Mountain Road Bike

Security & Durability - Via Velo bike U-lock offers robust protection with a 9 mm hardened steel shackle, resisting cutting, prying, and leverage attacks. The set comes with 3 ergonomic keys made of durable stainless steel, ensuring reliability
Weather-Resistant & Scratch-Proof: The bike cable is equipped with a scratch-proof, wear-resistant, and water-resistant nylon sleeve cover. This protective cover ensures longevity and prevents scratches on your valuable possessions
Convenient and Portable: The U-lock is heavy enough for reliable security yet light enough for easy portability. Its compact size, along with mounting bracket, allows for comfortable storage on the bike frame or in a backpack during rides
Versatile Application - Ideal for securing bicycles, sports equipment, gates, fences, toolboxes, and more. The included 4ft steel cable adds flexibility for various locking scenarios, providing comprehensive protection for your belongings
LIFETIME LIMITED 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

No. 10

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,Black

HIGH-SECURITY DESIGN: Made from a 12.7mm hardened performance steel shackle, this bike lock provides excellent resistance against cutting and leverage attacks
PATENTED LOCKING SYSTEM: Features a patented hardened double deadbolt design that gives additional protection against twist attacks, with a high-security disc-style cylinder, resistant to picking and drilling
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 4 in. x 9 in, 12.7mm steel shackle with a weight of 2.9 lbs. 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 protected by a sliding dust cover and is pick and drill resistant
EASY TRANSPORT with FLEXFRAME-U BRACKET: Includes a versatile FlexFrame U-bracket for quick and secure mounting to your bike frame, ensuring convenient transport without the need for a bag or backpack
OPTIONAL ANTI-THEFT PROTECTION: Eligible for Kryptonite’s Anti-Theft Protection Offer (ATPO) up to $1,750 coverage for registered locks

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Last update on 2025-06-08 / Affiliate links / Images from Amazon Product Advertising API

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