10 Best u locks of 2025

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Best Choice

1

Kryptonite
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

16% Off
Main highlights

Robust Security Features
12.7mm hardened steel shackle resists tools, bolt cutters, leverage attacks.

Ideal for Urban Commuters
Perfect for city cyclists needing reliable security and portability.

Highly Praised Durability
Customers commend the lock's sturdiness and resistance to theft.
Key specs
- control method:App
- shape:U Shape
- material:Alloy Steel
- lock:Keyed Lock
- special feature:Anti-Theft, Heavy Duty
9.9

Exceptional

Our Rating

8.7
Security

8.4
Simple to use

8.4
Durability
How do we rank?

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Careful review Our team ensures quality, value, and fit based on real user feedback

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Based on millions of stores and reviews

Shoppers influence our rankings
Analyzing top stores
Value for Money

2

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

11% 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
3

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
9.6

Exceptional

Our Rating

9.7
lock easily

9.3
worth the money

9.3
Simple to use
4

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
9.5

Excellent

Our Rating

8.7
worth the money

8.7
lock easily

8.4
Simple to use
5

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
9.3

Excellent

Our Rating

8.9
Simple to use

8.7
Durability

8.7
lock easily
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6

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
9.2

Excellent

Our Rating
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
9.0

Excellent

Our Rating
8

USHAKE
USHAKE Bike Combination U Lock, Heavy Duty Bike Combination U Lock Paddle Lock for Bicycle Electric Scooter Motorcycles Metal Fence Gate Anti Theft
Main highlights

Combination Lock Convenience
The USHAKE Bike Combination U Lock offers key-free security with a customizable 4-digit combination, eliminating the worry of losing keys.

Versatile Security Solution
Ideal for securing bicycles, electric scooters, motorcycles, and gates against theft, with a robust 10mm zinc alloy shackle and PVC coating.

Lightweight and Easy to Use
Praised for its lightweight design and ease of use, making it a favorite among users for short-term security needs.
8.9

Very Good

Our Rating

8.2
Simple to use

8.2
Durability

8.0
worth the money
9

Alshaay
Heavy Duty Bike U Lock - Super Strong 12 Ton Shear, 20mm U Shape Lock Anti-Theft Silicone Covered Electric Scooter Lock Keyhole with Sliding Cover 4ft Steel Cable with Mounting Bracket and 3 Keys(S)

10% Off
Main highlights

Robust Security Features
The lock offers 12-ton hydraulic shear resistance and a 0.74-inch zinc alloy shackle for maximum protection.

Ideal for Public Parking
Perfect for securing bikes in public areas with its durable and weather-resistant design.

Highly Praised Durability
Customers appreciate the lock's robust construction and weather-proof features, ensuring long-term reliability.
Key specs
- control method:Hand Control
- shape:U Shape
- material:High Speed Steel
- lock:Key Lock
- special feature:Keyless, Anti theft
8.8

Very Good

Our Rating

8.0
Simple to use

8.0
Durability

8.0
lasts a long time
10

Sportneer

Sportneer Bike Lock: 18mm Heavy Duty Anti Theft Bike U Lock with 5ft Security Steel Cable - Shackle Bicycle U-Locks with 3 Keys & Sturdy Mounting Bracket for Road, Mountain, Electric & Folding Bike
8.7

Very Good

Our Rating

10 Best u locks of 2025

1

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

8.7

8.4

8.4

How do we rank?

How do we rank?

Analyzing top stores

2

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

8.0

8.0

8.0

3

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

4

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

5

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

6

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

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

USHAKE Bike Combination U Lock, Heavy Duty Bike Combination U Lock Paddle Lock for Bicycle Electric Scooter Motorcycles Metal Fence Gate Anti Theft

8.2

8.2

8.0

9

Heavy Duty Bike U Lock - Super Strong 12 Ton Shear, 20mm U Shape Lock Anti-Theft Silicone Covered Electric Scooter Lock Keyhole with Sliding Cover 4ft Steel Cable with Mounting Bracket and 3 Keys(S)

8.0

8.0

8.0

10

Sportneer Bike Lock: 18mm Heavy Duty Anti Theft Bike U Lock with 5ft Security Steel Cable - Shackle Bicycle U-Locks with 3 Keys & Sturdy Mounting Bracket for Road, Mountain, Electric & Folding Bike

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