9 Best u locks of 2025

Save up to 35% off

Best Choice

1

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

10% Off
Main highlights

Key Features
Features 12mm hardened steel shackle, interior dimensions 4 x 8, includes Key Safe Program, and offers up to $500 anti-theft reimbursement. Lifetime warranty.

Ideal Use Cases
Perfect for cycling, effectively protects against hand tools, bolt cutters, and leverage attacks, ensuring bike security in high-risk areas.

Customer Praise
Most reviews highlight the lock`s robustness and reliability, appreciating the added peace of mind from the Key Safe Program and anti-theft protection.
Key specs
- control method:App
- shape:U Shape
- material:Hardened Steel
- lock:Combination Lock
- special feature:Anti-theft, Heavy Duty
9.8

Exceptional

Our Rating

8.0
Durability

8.0
worth the money

8.0
Simple to use
How do we rank?

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Value for Money

2

BALINGE

Bike U-Lock – High-Security Steel Cable, Bolt Cutter & Hydraulic Resistant, Easy Locking System for Bicycles, Motorcycles, Scooters – Includes 3 Keys
9.7

Exceptional

Our Rating
3

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

22% Off
Main highlights

Steel Body for Maximum Security
Hardened steel body resists cutting, sawing, and prying.

Ideal for Back Wheel Locking
Perfect fit for securing back wheels of bicycles.

Impressive Durability
Customers praise its durability and resistance to bolt cutters.
Key specs
- control method:Hand Control
- shape:U Shape
- material:Vinyl, Steel
- lock:Key Lock
- special feature:Key Lock
9.6

Exceptional

Our Rating

8.7
worth the money

8.7
lock easily

8.4
Simple to use
4

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

15% Off
Main highlights

Durable and Secure Design
Crafted from high-quality alloy steel, this U-lock is cut-resistant, leverage-resistant, and drill-resistant, ensuring robust protection against theft.

Versatile Locking Options
Ideal for securing bicycles to racks, fences, and poles, using the included 5ft double-looped steel cable.

Praised for Strength and Appearance
Customers commend its strong build and attractive design, offering peace of mind in high-theft areas.
Key specs
- control method:Hand Control
- shape:U Shape
- material:Alloy Steel, Silicone
- lock:Key Lock
- special feature:Portable, Heavy Duty
9.4

Excellent

Our Rating

9.7
lock easily

9.3
worth the money

9.3
Simple to use
5

Hapleby

Hapleby Premium Bike Lock Set with 2 Keys, Bike U-Lock with 6 Feet Thickened Solid Steel Cable, Heavy Duty Anti Theft Bicycle U-Lock with Mounting Bracket for Road, Mountain, Folding Bike and Scooter

11% Off
9.3

Excellent

Our Rating
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6

Via Velo

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

35% Off
9.1

Excellent

Our Rating

8.9
Simple to use

8.7
Durability

8.7
lock easily
7

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

15% Off
Main highlights

Portable and Rugged Design
The Sportneer Bike U Lock is portable, heavy-duty, and water-resistant, ensuring durability and protection.

Versatile Security Applications
Ideal for securing bikes, grills, and more with its U-lock and 5ft cable.

Anti-Theft Security
Praised for its robust zinc alloy lock core and resistance to cutting.
Key specs
- control method:App
- shape:U Shape
- material:Alloy Steel, Metal, Zinc
- lock:Key Lock
- special feature:Anti theft, Key Lock
8.9

Very Good

Our Rating
8

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
Main highlights

Key Features
Durable steel U-Lock with 5,000 lbs cutting resistance, weather-resistant vinyl covering, includes mounting bracket and backup keys for ease of use.

Ideal Use Cases
Perfect for securing bikes in high-risk areas, withstanding harsh weather, and for cyclists preferring key access over combinations.

Customer Praise
Most reviews highlight the lock`s robust build and reliable security, appreciating the added peace of mind it provides.
8.8

Very Good

Our Rating

8.0
Durability

8.0
Simple to use

8.0
lock easily
9

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

16% Off
8.6

Very Good

Our Rating

9 Best u locks of 2025

1

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

8.0

8.0

8.0

How do we rank?

How do we rank?

Analyzing top stores

2

Bike U-Lock – High-Security Steel Cable, Bolt Cutter & Hydraulic Resistant, Easy Locking System for Bicycles, Motorcycles, Scooters – Includes 3 Keys

3

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

8.7

8.7

8.4

4

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

9.3

9.3

5

Hapleby Premium Bike Lock Set with 2 Keys, Bike U-Lock with 6 Feet Thickened Solid Steel Cable, Heavy Duty Anti Theft Bicycle U-Lock with Mounting Bracket for Road, Mountain, Folding Bike and Scooter

6

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

8.9

8.7

8.7

7

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

8

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

8.0

8.0

8.0

9

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

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