Kryptonite Kryptolok Series 2 U-Lock Review: Security, Features & Value

This review dives into the Kryptonite Kryptolok Series 2 U-lock, examining its security, features, and overall value for cyclists. We'll explore whether this lock strikes the right balance between robust protection and everyday convenience. Kryptonite rates this lock a 6/10 on their security scale, placing it firmly in the moderate-security category. This begs the question: is this sufficient for your needs, and what compromises are you willing to make in terms of security for ease of use and practicality?This comprehensive review will detail the lock's key features, including its 13mm steel shackle, the included Transit FlexFrame mounting bracket, and the valuable key replacement program offered by Kryptonite. We'll assess the lock's resistance to common theft methods and weigh the convenience features against the security rating. Ultimately, we aim to help you determine if the Kryptolok Series 2 U-lock is the right choice for your bicycle and your individual security requirements.

Pros And Cons

Krypto KryptoLok Series 2 Standard U-Lock
  • Rated 6/10 on security scale (moderate security)
  • Bent foot shackle for ease of use
  • Comes with two stainless steel keys and free replacements if lost
  • Sliding dust cover to keep dirt and debris out
  • Lifetime warranty
  • Includes Transit Flex Frame bracket for easy transport
  • 13mm steel shackle
  • Interior locking dimensions: 4in x 9in

Read more: Top 5 Folding Bike Locks for Ultimate Security

Security Rating and Use Cases

The Kryptonite Kryptolok Series 2 U-lock receives a 6/10 security rating on Kryptonite's scale, classifying it as a moderate-security lock. This makes it suitable for shorter lock-ups in busy urban areas or longer periods in less densely populated suburban settings. Its moderate security makes it a good balance of security and convenience for everyday use.

Kryptonite Kryptolok Series 2 U-lock security rating
Kryptonite Kryptolok Series 2 U-lock security rating

While not the most secure option, it offers a good level of protection against casual theft. Consider your personal risk tolerance and the value of your bike when deciding if this lock's security level is adequate for your needs. The bent foot shackle contributes to ease of use in various locking situations.

Key Features and Replacement

The Kryptolok Series 2 comes equipped with two stainless steel keys for added convenience. Kryptonite offers a valuable service: register your keys with them to receive two free replacements in case of loss. This feature alleviates the stress of losing your keys and the inconvenience of needing to buy replacements. It shows a commitment from Kryptonite to customer satisfaction.

Kryptonite keys
Kryptonite keys

Beyond the keys, the lock includes a sliding dust cover to help protect the internal mechanism from dirt and debris. This enhances its longevity and reliability by protecting against environmental damage and prolonging its functionality.

The sliding dust cover of the lock
The sliding dust cover of the lock

Mounting and Transportation

The included Transit FlexFrame bracket allows for easy mounting to your bike frame, simplifying transportation and storage. This practical accessory is a plus for cyclists who regularly transport their bikes or want a secure and convenient way to keep the lock attached. The bracket ensures the lock is easily accessible yet still protected from theft.

Bracket mounted on a bike frame
Bracket mounted on a bike frame

The bracket offers added convenience, and integrating a robust mounting solution enhances the overall practicality of the lock. It demonstrates thoughtful design to simplify the use of the product.

Dimensions and Construction

The Kryptolok Series 2 boasts a substantial 13mm steel shackle for strength and durability. Its interior locking dimensions measure 4 inches by 9 inches, providing sufficient space to secure various bike frame configurations. The size and the strong steel shackle is designed to provide resistance against common cutting and leverage attacks.

Close-up of the 13mm steel shackle
Close-up of the 13mm steel shackle

The combination of a thick shackle and appropriate interior dimensions speaks to the lock's intended functionality. The materials and dimensions suggest a focus on strength and the ability to lock bikes of various sizes and shapes securely.

Dimensions of the lock's interior
Dimensions of the lock's interior

Conclusion and Recommendation

The Kryptonite Kryptolok Series 2 U-lock offers a balanced approach to security and convenience. While not the most impenetrable lock on the market, its 6/10 security rating and features like the included bracket and key replacement program make it a solid choice for many cyclists. It's ideal for those seeking a middle ground between high-end security and everyday practicality.

Summary of the lock's suitability
Summary of the lock's suitability

The features, such as the dust cover and key replacement program, demonstrate attention to detail and a customer-centric approach. Ultimately, whether it's the right lock for you will depend on your specific needs and risk assessment. Consider your location, the value of your bike, and your personal comfort level with the moderate security rating before making a purchase.

Kryptonite website address
Kryptonite website address