10 Best Bike Locks Anti Theft of 2025

Tested and Reviewed: Top 10 Bike Locks Anti Theft deals with expert ratings from 8.1 to a perfect 10

July 2025 Edition

Editor's Choice

9.7

NDakter

NDakter Bike Chain Lock, 5 Digit Combination Heavy Duty Anti Theft Bicycle Chain Lock, 3.2/4.27/5Ft Long Security Resettable Bike Locks for Bike, Bicycle, Scooter, Motorcycle, Door, Gate, Fence

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Editor's bottom line:

“This bike locks anti theft is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

SECURE & RESETTABLE: 5-digit resettable combination bike chain lock, much safer than other 4 digit locks. Easy to set your own personalized number combination.
STURDY & DURABLE: It's hard to break through as the lock cylinder of the bike lock is made of zinc alloy. The bicycle chain lock is made of 0.24 inch alloy steel which is drill-resistant and anti-tech unlocking.Safety tip: Please do not leave your bike out of your sight for too long, especially in high crime areas, no bike lock is 100% safe.
SCRATCH-PROOF FABRIC PROTECTION: The bicycle chain lock is wrapped by a high quality polypropylene fabric, which is scratch-proof and wear-resistant, anti-hot and anti-icing hands; it protects the chain and prevents it scratching your bicycle frame, long lifespan.
CONVENIENT TO USE: Combination locking mechanism provide keyless convenience and set your own password by easy steps. With keyless convenience lock, you dont worry about lost the key and forget to carry it.Code design saves you from the hassle of carrying keys. The code is resettable - there are 10,000 combinations you can set, which makes the chances to crack the code only 1/10,0000. The default code is 00000.
MULTI-PURPOSE: The chain lock is 3.2 feet and weighs about 1.45 pounds, long enough to lock 2-3 bikes together, or lock your bike to a tree, gate, fence, railing, thick pole and others. The lock can also be used for motorcycles, scooters, skateboards, grills, ladders, doors, lawnmowers and many others.
KINDLY REMINDER:The lock head's diameter is around 1.25"/3.2 cm, satisfying the security demand of nearly all kinds of bike wheels currently on sale. Nevertheless, if you have Scooter, e-bike or any thing with wheel gap/hole less than 1.25"/3.2 cm, the lock will not be able to pass through the wheel. In this case, we kindly suggest that you may lock the scooter by wrapping around it rather than passing through the wheel gap.

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Picked by 252 people today

9.5

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

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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. Its 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, weve included two bike lock keys so that you can carry one and keep the spare at home or in the office, ensuring you wont be stranded without access to your bike.
Wide Applications: Use the bike locks alone or paired with the steel cable--you make the choice! Its perfect for securing bicycles, childrens 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. Its a gift thats sure to lock in their appreciation.

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9.5

Master Lock

Master Lock Bike Lock Cable with Combination Black, 8143D

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Main Highlights

Outdoor bike cable lock with combination is best used as a bicycle lock and to secure other outdoor equipment.Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit.
Cable bike lock features a preset, four-digit combination lock; Provides a basic security level that is best used as a theft deterent
Bike lock is made with braided steel for flexibility, and includes a protective vinyl coating that helps prevent scratching
Bike lock cable is 4 ft. (1.2 m) long and 5/16 in. (8 mm) wide in diameter
Includes one combination bike lock cable
Combination locking mechanisms for keyless convenience
Flexible steel cables for strong cut resistance; preset combination
Vinyl coating helps prevent scratching
Ideal for bicycles, skateboards, sports equipment, tool boxes, ladders and gates
4' (1.2m) by 5/16" (8m) diameter

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9.2

Save 36%

KEYSTP

KEYSTP Bike Lock Cable with Combination,High Security 5-Digit Resettable Combination Bicycle Lock Anti-Theft, Scooter Lock with Mounting Bracket for Bikes and Scooters（Black）

36% OffFree Shipping

Main Highlights

Precision Structure: the 5-digit resettable bicycle lock designed by German Locksmith craftsmanship is safer than the typical 4-digit code and avoids the problem of getting stuck. The lock can provide you with more than 100,000 combinations. The design of the password saves you the trouble of carrying the key. This lock is keyless, please compare carefully.
Braided Steel and PVC Coating: Scooter cable lock is made of high strength braided steel wire, which can withstand 2.4KN tension and 7KN shear force, more strength and flexibility. And the protective vinyl coating(PVC) helps prevent scratching more durable wear. Size: 4 Feet Length, 1/2"Diameter (120mm x 12mm).
With Mounting Bracket: Equipped with a free mounting bracket, you can easily add the bike cable locks to other objects; quick installation button, easy to install or remove the lock. Self-rolling design, easy to carry.
Waterproof Design: In addition to strong cutting and corrosion resistance,our electric scooter lock thick PVC coating can also avoid the intrusion of water stains to the greatest extent and play a waterproof effect. Even in rainy days, it can be protected from damage.
Warm Reminder: Don't lock your bike outside for a long time. Especially in high-crime areas. No bike lock cable is 100% safe. Passwords are resettable and please set your own password combination,default password is 00000. Some models of scooters cannot support the wheel lock method, please compare carefully.

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9.0

Hapleby

Hapleby Premium Bike Lock with 2pcs Keys, Professional Bike Cable Lock of 4 Feet, Heavy Duty Bicycle Lock Cable for Strong Anti-Theft, Come with 1PCS Mounting Bracket

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Main Highlights

1. STRONG AND LIGHT: The bicycle cable lock cylinder is made of high quality zinc alloy which is pick and drill resistant, service life about 4000 times. Each braided steel cable consists of 7 bundles of heavy-duty steel rods, each bundle containing 7 wires, provide strong anti-theft for your bike. Keeps honest people honest.
2. PORTABLE TO CARRY: This lock cable length is 4 feet and 0.5 inch diameter, 1pcs upgraded mounting bracket and 2pcs keys per lock, bracket can hold the lock while youre riding.
3. EASY TO USE: The lock's smooth locking mechanism operates flawlessly, providing quick and hassle-free securing and releasing of the bike. especially can lock it without using the key. and sliding cover protect the lock from rain and dust, prolonging the service life.
4. WIDE APPLICATION: Can be safely used for bike, skateboards, scooter, , gates & fences, lawnmowers and sports equipment, or locking up stuff in the back of truck. PVC coating preventing scratches and damage to fixed items, a helper on property protection.
5. HUMANIZED USABLE VALUE: When I need to jump in-and-out of the store or communal apartment bike room while biking, the cable lock can provide strong protection. No pocket knife would do it unless you use cable cutters. I just wish we didn't live in a world where any lock was defeated. but this should be good enough for most purposes.

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8.8

RYANGO

RYANGO Bike Lock, Bike Locks Heavy Duty Anti Theft, Bicycle Lock Bike Lock Cable with Mounting Bracket and 2 Keys, Bicycle Locks Bike Cable Lock for Road Bike Mountain Bike Scooters (Key Lock)

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Main Highlights

Stable & Trustworthy: Bike lock with high quality keyed lock core, lock / unlock smoothly with low failure rate
Durable & Covered: Bicycle lock with 12 mm PVC steel cable, ABS body, galvanized lock tail. With a dust proof cover on keyhole
Anti-theft: Heavy duty anti theft bike locks with 2 keys. Its very necessary to have a great lock for your bike at any time
Portable: This bike cable lock with a mounting bracket to hold the key lock, bracket can be installed on seat tube which dia from 26-36 mm
Proper Size: Bike lock cable dia 12 mm, cable lock full length 1150 mm. The perfect size to lock a bike, e-bike or scooters

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Best Value

8.6

Save 47%

Sportneer

Sportneer Bike Lock: 5 Digit Combination High Security Anti Theft Bike Chain Lock - 3.2/3.6/4ft Heavy Duty Keyless Bicycle Lock for Bike Motorcycle Scooter Door & Gate - Easy to Use, Bike Accessories

47% OffFree Shipping

Main Highlights

High Security & Keyless Design: Say goodbye to the hassle of carrying keys and hello to keyless convenience. The advanced 5-digit combination lock offers unparalleled protection, with up to 100,000 possible combinations, making it virtually impossible to crack. This bike chain lock is the perfect choice for those who value safety and convenience above all else.
Rock-solid & Built to Last : The Sportneer bicycle lock is as tough as nails. Crafted from ultra-thick 0.236"/6mm manganese steel, it boasts unparalleled resistance against cutting and sawing. The lock core, made from sturdy zinc alloy, adds an extra layer of protection, thwarting any attempts at malicious cutting and ensuring long-lasting durability.
Scratch-Resistant Cover & Dustproof Cap: The flexible high-quality polypropylene fabric cover protects your hands against heat or cold, and prevents chain from rust, and keeps the bike paint from scratches, ensuring the lock lasts for years to come. Plus, the dustproof cap is an added bonus, keeping rainwater and sand out of the lock hole.
Convenient & Easy to Reset: Setting up and resetting your personalized combination password is a breeze. The initial password is 00000, and when it's time to set a new password, simply keep the number wheels in the correct unlock password state and rotate the reset dial 90° to set the new password. No more worry about forgetting your password or struggling to reset it again.
Versatile Applications: With options available in lengths of 3.2ft, you can easily lock two bikes together. Better yet, this bike lock is also suitable for a wide range of applications, including bicycles, electric bikes, ladders, lawnmowers, gates, fences, toolboxes, sports equipment, and more.
Note: The bicycle lock head diameter is 1.3 inches. Before making a purchase, ensure that the gap between the tires or the hole you need to pass through is compatible. Otherwise, you can still lock your bike by wrapping the chain around it, rather than threading it through the wheel's gap.

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8.3

Save 20%

Master Lock

Master Lock Cable Lock, Set Your Own Combination Bike Lock, 6 ft. Long, Black, 8122D

20% OffFree Shipping

Main Highlights

LOCK APPLICATION: For indoor and outdoor use; Adjustable cable lock is best used for bicycles, ATVs, grills, and lawn mowers.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.
EASE OF USE: Patented adjustable locking mechanism holds the cable tight at any position (6 in. to 6 ft.) for a perfect fit; Vinyl coated cable threads through places other cables can't
DURABLE DESIGN: Cable is made from braided steel for strength and flexibility; Rust-resistant lock and vinyl-coated cable provide superior weather and scratch resistance
SPECIFICATIONS: 6 ft. cable length; 5/16 in. outside diameter
INCLUDES: One adjustable cable lock, two keys
4 dial combination security for keyless convenience
Outside Diameter of Cable/Chain: 1/2in (13mm)

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8.1

Save 6%

Titanker

Titanker Heavy Duty Bicycle Lock Chain with Keys - 3 Feet Anti-Theft Lock for Bikes, Motorcycles, Doors, Gates, Fences, Grills (6mm Thick)

6% OffFree Shipping

Main Highlights

3ft chain lock for bike: With 6mm thick security heavy-duty chain links, our bike chain lock is made of heavy-duty steel known for its cut-resistance. Regular lubrication for the lock hole and keyhole will prolong the locks service time.
Protective cloth sleeve & dust cover: The chain of this bike lock is enclosed in protective cloth sleeve that could effectively protect the chain from being rusted and scratches. And the dust cover can protect your keyhole from rain and dust.
Easy to lock: You can just snap it together to get it locked without the keys. Safety tips: Never leave your bike locked outside for long periods of time. Especially in high crime areas. No bike lock is 100% secure.
Secure & portable: Titanker bike chain locks come with 2 keys. You can take one of the keys for daily use while leaving another at home in case you accidentally lose one. Two Keys offer you convenience.
Portable safe size: The overall length of the chain lock is about 3 feet. The links are about 1.97 inches long and about 0.23 inches thick. Lock Weight: 1.4 pounds. Ideal for bicycles, ladders, lawnmowers, stroller, scooter, fences, tool boxes, sport equipment and etc.

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8.1

NDakter

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

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Main Highlights

Keyless ConvenienceThis bike locks heavy duty anti theft, bike u lock combination has a 4-digit resettable combo is convenient without the need for keeping a key with you. Ebike lock with code no more worrying about difficult locks, lost keys or key disconnections. Large u shape bike lock is features 14.6mm hardened steel shackle, bicycle combo lock anti-theft security, very smooth to lock and unlock. The extra 5ft steel bike lock cable offers versatility. (NOTICE: For better protection, your bike safetyPlease use Steel cable through front and rear wheels, after use the large U-lock to secure the wheel and frame together to the unbreakable fixture.)
Greater internal locking spaceThe heavy duty bike u lock interior locking dimensions: 7.5" x 4.5", Exterior dimensions: 9.8" x 7". Electric bike lock provides more inner space than other bicycle lock and e bike locks to help great lock moer bigger items. The bike lock combination and 5ft steel cable provide ample room to lock the frame and wheels against racks, poles, etc. It's not just about securing the bike frame. Loop it through wheels or helmets and enjoy an extra layer of peace. (NOTICE: NO bracket available)
Sturdy & DurableThe electric bike locks heavy duty anti theft U-lock weight: 1.96 lbs, steel cable weight: 0.86 lbs, together they weigh: 2.82 lbs. This weight makes it more resistant to theftthick 0.57in is made of hardened high-performance alloy steel, the u lock bike combination head is made of zinc alloy. The combination bike lock is resistant to cutting and leverage attacks and provides excellent anti-theft performance. The bicycle locks heavy duty anti theft enough sturdy and security. The shackle is coated to prevent scratches to your bike. Light weight and easy to carry.
Easy to Set & UseThe bike lock for electric bike has a 4-digit resettable anti-theft combo. The ebike locks for adult bikes 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 bike lock u lock combination and steel cable works well and is beefy enough to stop casual thieves.
Multi-purposeThe bicycle combination lock is widely used in ebike/electric bike/escooter/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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Our Best Overall Choice

Best Choice

9.7

NDakter

NDakter Bike Chain Lock, 5 Digit Combination Heavy Duty Anti Theft Bicycle Chain Lock, 3.2/4.27/5Ft Long Security Resettable Bike Locks for Bike, Bicycle, Scooter, Motorcycle, Door, Gate, Fence

Free Shipping

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

SECURE & RESETTABLE: 5-digit resettable combination bike chain lock, much safer than other 4 digit locks. Easy to set your own personalized number combination.
STURDY & DURABLE: It's hard to break through as the lock cylinder of the bike lock is made of zinc alloy. The bicycle chain lock is made of 0.24 inch alloy steel which is drill-resistant and anti-tech unlocking.Safety tip: Please do not leave your bike out of your sight for too long, especially in high crime areas, no bike lock is 100% safe.
SCRATCH-PROOF FABRIC PROTECTION: The bicycle chain lock is wrapped by a high quality polypropylene fabric, which is scratch-proof and wear-resistant, anti-hot and anti-icing hands; it protects the chain and prevents it scratching your bicycle frame, long lifespan.
CONVENIENT TO USE: Combination locking mechanism provide keyless convenience and set your own password by easy steps. With keyless convenience lock, you dont worry about lost the key and forget to carry it.Code design saves you from the hassle of carrying keys. The code is resettable - there are 10,000 combinations you can set, which makes the chances to crack the code only 1/10,0000. The default code is 00000.
MULTI-PURPOSE: The chain lock is 3.2 feet and weighs about 1.45 pounds, long enough to lock 2-3 bikes together, or lock your bike to a tree, gate, fence, railing, thick pole and others. The lock can also be used for motorcycles, scooters, skateboards, grills, ladders, doors, lawnmowers and many others.
KINDLY REMINDER:The lock head's diameter is around 1.25"/3.2 cm, satisfying the security demand of nearly all kinds of bike wheels currently on sale. Nevertheless, if you have Scooter, e-bike or any thing with wheel gap/hole less than 1.25"/3.2 cm, the lock will not be able to pass through the wheel. In this case, we kindly suggest that you may lock the scooter by wrapping around it rather than passing through the wheel gap.

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