November 3, 2025

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10 Best kryptonite bike locks of 2025

Save up to 27% off

Best Choice

1

Kryptonite
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

14% Off
Main highlights

Key Features
Hardened steel shackle resists attacks, free key replacement, up to $4,000 anti-theft protection, and includes Flexframe-U bracket for easy transport.

Ideal Use Cases
Perfect for securing bikes in high-risk areas, fitting various door sizes, and for cyclists needing robust, reliable theft protection on the go.

Customer Praise
Most reviews highlight the lock`s exceptional durability and the peace of mind offered by the anti-theft protection and key replacement program.
Key specs
- control method:App
- shape:U Shape
- material:Alloy Steel
- lock:Key Lock
- special feature:Anti-theft, Heavy Duty
9.9

Exceptional

Our Rating

9.5
Security

9.1
Durability

8.9
lock easily
How do we rank?

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Based on millions of stores and reviews

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Analyzing top stores
Value for Money

2

Kryptonite
Kryptonite New York Long Shackle Bike U-Lock, Heavy Duty Anti-Theft Security Bicycle Lock Sold Secure Gold, 16mm Long Shackle with Keys, Ultimate Security Lock for Bicycles E-Bikes Scooters

21% Off
Main highlights

Key Features
16mm hardened steel shackle resists attacks, interior locking dimensions ensure fit, free key replacement, and up to $4,000 anti-theft protection.

Ideal Use Cases
Perfect for securing high-value items in urban areas, or any location prone to theft, providing peace of mind against bolt cutters and leverage attacks.

Customer Praise
Most reviews highlight the shackle`s robustness and the security it provides, appreciating the free key replacement and anti-theft reimbursement policy.
9.8

Exceptional

Our Rating

9.9
Security

9.7
lasts a long time

9.7
Durability
3

Kryptonite
Kryptonite Keeper 785 Bike Chain Lock, 2.8 Feet Long Heavy Duty Anti-Theft Bicycle Chain Lock with Keys for Bike, Motorcycle, Scooter, Bicycle, Door, Gate, Fence
Main highlights

Durable Security
7mm four-sided chain links made from 3T MANGANESE STEEL ensure maximum protection.

Versatile Usage
Ideal for securing bikes, motorcycles, scooters, gates, and fences.

Customer Satisfaction
Users praise its reliability and theft-deterrent design, even in high-risk areas.
9.5

Excellent

Our Rating

9.3
Durability

8.9
Lock Feature

8.9
Security
4

Kryptonite
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

27% Off
Main highlights

13mm Shackle and 10mm Cable Security
Features a 13mm hardened steel shackle and 10mm cable for maximum security against theft.

Ideal for Urban Cycling
Perfect for city cyclists needing dependable bike security in high-theft areas.

Highly Rated Durability
Praised by users for its sturdy construction and reliable performance.
9.2

Excellent

Our Rating

8.2
Security

8.2
Durability

8.0
Lock Feature
5

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

22% 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
9.1

Excellent

Our Rating

8.7
Security

8.4
Simple to use

8.4
Durability
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6

Kryptonite
Kryptonite Keeper Bike U-Lock Standard with Braided Steel Cable, Heavy Duty Anti-Theft Bicycle U Lock, 12mm Shackle and 10mm x4ft Length Security Cable with Mounting Bracket and Keys,Black
Main highlights

Hardened Steel Shackle and Cable
12mm Hardened Steel Shackle resists hand tools, bolt cutters, and leverage attacks. Includes a 10mm steel looped cable for additional security.

Ideal for Quick Stops and Supplementary Security
Best used for quick stops or as a supplementary lock. Suitable for securing quick release wheels, helmets, and other accessories.

Praised for Ease of Use and Holder
Customers appreciate the ease of sliding the lock in and out of the holder, and the secure attachment to the bike.
9.0

Excellent

Our Rating

9.5
worth the money

8.7
Security

8.4
Durability
7

Kryptonite
Kryptonite Evolution 1090 Bike Chain Lock, 3 Feet Long 10mm Steel Chain Heavy Duty Anti-Theft Sold Secure Gold Bicycle Chain Lock with Keys for Bike, Motorcycle, Scooter, Bicycle, Door, Gate, Fence
Main highlights

Key Features and Benefits
Innovative pin-less link design for enhanced security, pick/drill resistant cylinder, weather-resistant with LED key for dark conditions.

Ideal Use Cases
Perfect for securing high-value bicycles and motorcycles against theft in urban and high-risk areas.

Customer Reviews Summary
Most praised for its robust construction and the added convenience of the LED lighted key for nighttime use.
Key specs
- Lock Type:Chain lock
- Shape:Chain
- Length:35.5
- Color:Black / Orange
- Material:Plastic
8.9

Very Good

Our Rating

9.9
lasts a long time

9.9
Durability

9.9
Security
8

Kryptonite
Kryptonite Keeper 712 Combo Bike Chain Lock, 4 Feet Long 7mm Steel Chain Heavy Duty Anti-Theft Bicycle Chain Lock, 4-Digit Resettable Combination Lock for E-Bike Scooter Road Mountain Bikes

26% Off
Main highlights

END LINK LOCKING POINT for extensive holding power
Provides superior security with 4-sided 3t manganese steel chain links and 4-digit resettable combination offering over 10,000 codes.

Best Use Scenario for Moderate Security
Ideal for medium to medium/high security needs, perfect as a secondary lock or for use in secure areas like storage rooms or garages.

Highly Praised Feature: Sturdiness and Build Quality
Customers appreciate the robust all-metal construction, which is tough to cut through and offers a good balance between security and weight.
Key specs
- Lock Type:Combination Lock
- Shape:Round
- Length:7 mm x 120 cm
- Color:Black
- Material:Steel
8.8

Very Good

Our Rating

9.7
Lock Feature

9.7
Durability

9.5
lock easily
9

Kryptonite
Kryptonite Keeper 712 Bike Chain Lock, 4 Feet Long Heavy Duty Anti-Theft Bicycle Chain Lock with Keys for Bike, Motorcycle, Scooter, Bicycle, Door, Gate, Fence,Black
Main highlights

Durable and Secure Design
7mm four-sided chain links of 3T manganese steel offer high security.

Versatile Use Cases
Ideal for securing bikes, motorcycles, scooters, doors, gates, and fences.

Praised for Durability
Customers appreciate the heavy-duty chain and robust design.
8.7

Very Good

Our Rating

9.5
Comfort

9.5
Durability

9.3
Lock Feature
10

Kryptonite
Kryptonite KryptoFlex Bike Lock Cable, 2FT/6FT/10FT Long 12mm Thick Heavy Duty Braided Steel Cable Anti-Theft Security Lock for Outdoor Equipment, Combination/Key Bike Lock

12% Off
Main highlights

Cable Length and Security Features
Cable Length 6 feet, 12mm width, dual sliding cylinder weather guards, easy click locking, resettable 4-digit combination, and lifetime warranty.

Perfect for Daily Use and Short Stops
Ideal for securing bikes during short stops, daily commutes, and as a supplemental lock for added security.

Highly Praised for Ease of Use and Portability
Customers appreciate its lightweight, ease of use, ability to set a personal combination, and compact design for easy transportation.
8.6

Very Good

Our Rating

9.1
Simple to use

8.7
worth the money

8.4
Durability

10 Best kryptonite bike locks of 2025

1

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

9.5

9.1

8.9

How do we rank?

How do we rank?

Analyzing top stores

2

Kryptonite New York Long Shackle Bike U-Lock, Heavy Duty Anti-Theft Security Bicycle Lock Sold Secure Gold, 16mm Long Shackle with Keys, Ultimate Security Lock for Bicycles E-Bikes Scooters

9.9

9.7

9.7

3

Kryptonite Keeper 785 Bike Chain Lock, 2.8 Feet Long Heavy Duty Anti-Theft Bicycle Chain Lock with Keys for Bike, Motorcycle, Scooter, Bicycle, Door, Gate, Fence

9.3

8.9

8.9

4

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

8.2

8.2

8.0

5

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

6

Kryptonite Keeper Bike U-Lock Standard with Braided Steel Cable, Heavy Duty Anti-Theft Bicycle U Lock, 12mm Shackle and 10mm x4ft Length Security Cable with Mounting Bracket and Keys,Black

9.5

8.7

8.4

7

Kryptonite Evolution 1090 Bike Chain Lock, 3 Feet Long 10mm Steel Chain Heavy Duty Anti-Theft Sold Secure Gold Bicycle Chain Lock with Keys for Bike, Motorcycle, Scooter, Bicycle, Door, Gate, Fence

9.9

9.9

9.9

8

Kryptonite Keeper 712 Combo Bike Chain Lock, 4 Feet Long 7mm Steel Chain Heavy Duty Anti-Theft Bicycle Chain Lock, 4-Digit Resettable Combination Lock for E-Bike Scooter Road Mountain Bikes

9.7

9.7

9.5

9

Kryptonite Keeper 712 Bike Chain Lock, 4 Feet Long Heavy Duty Anti-Theft Bicycle Chain Lock with Keys for Bike, Motorcycle, Scooter, Bicycle, Door, Gate, Fence,Black

9.5

9.5

9.3

10

Kryptonite KryptoFlex Bike Lock Cable, 2FT/6FT/10FT Long 12mm Thick Heavy Duty Braided Steel Cable Anti-Theft Security Lock for Outdoor Equipment, Combination/Key Bike Lock

9.1

8.7

8.4

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