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Updated: November, 2023


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We at Ride Review have scoured the web to find the perfect bike lock that combines security, ease of use, and affordability, and we believe we've found it in the K-TRAZ F16 by Zéfal. The K-Traz F16 is a folding lock that offers the best of both worlds - the security of a U-lock and the convenience of a coiled cable. Its steel bars are coated to ensure optimal protection for your frame, and they provide high resistance to shocks and torsion. This lock is designed to keep your bike safe in any situation. One of the standout features of the K-Traz F16 is its ease of storage. With its folding mechanism, you can easily fold the lock when not in use, making it compact and easy to carry. This makes it a great option for those who are always on the go and need a lock that's convenient to transport. In terms of security, the K-Traz F16 is top-notch. Zéfal rates this lock with an in-house security rating of 17/20, making it one of their most secure options available. This means that you can have peace of mind knowing that your bike is well protected when you use the K-Traz F16. When purchasing the K-Traz F16, you'll receive three keys, which is always helpful in case you misplace one. And if you do happen to lose all your keys, Zéfal provides a key loss service that allows you to reproduce the keys. This ensures that you won't be left without a way to unlock your bike. Reviews of the K-Traz F16 have been overwhelmingly positive. Users have praised its high level of security and ease of transport. Many have found the K-Traz F16 to be the perfect balance between security and convenience. While there are a few concerns about the weight and size of the K-Traz F16, these minor drawbacks are easily outweighed by its strong security features and overall performance. Additionally, for the price point, the K-Traz F16 is a competitive alternative to pricier smart locks and high-tech options. In conclusion, if you're looking for a bike lock that offers the perfect blend of security, convenience, and affordability, the K-TRAZ F16 by Zéfal is the way to go. Its folding mechanism, high resistance steel, and in-house security rating of 17/20 make it a top choice for riders who want to keep their bikes safe. With the K-Traz F16, you can ride with confidence, knowing that your bike is well protected.

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6 Reasons to Buy the K-TRAZ F16

  • The K-Traz U17 is Zefal's most secure bike lock, with an in house security rating of 17/20.
  • The Zefal K-Traz F16 articulated lock offers a high level of security.
  • The Zephal Krazy7 u-lock offers strong security features such as high resistant steel and a unique quadruple locking system.
  • The Zephal Krazy7 u-lock is easy to carry and use.
  • The Zephal Krazy7 u-lock has a hard rubber coating to protect bike paintwork.
  • The Zephal Krazy7 u-lock is reasonably priced and stands as a competitive alternative to pricier smart locks and high-tech options.

4 Reasons Not to Buy the K-TRAZ F16

  • The K-Traz U17 may be more expensive compared to other bike locks.
  • The Zefal K-Traz F16 articulated lock may not be suitable for those looking for a lightweight lock.
  • The Zephal Krazy7 u-lock is heavier and larger than average.
  • The unique quadruple locking system of the Zephal Krazy7 u-lock may be cumbersome for some users.

Bottom Line

The Zephal Krazy7 u-lock is a highly secure and reliable bike lock that offers great value for its price. Its strong steel construction and unique quadruple locking system provide peace of mind, while the hard rubber coating protects your bike's paintwork. Although it may be slightly heavier and larger than average locks, its ease of use and reasonable price make it a competitive alternative to pricier smart locks. If you prioritize security and affordability, the Zephal Krazy7 u-lock is an excellent choice for keeping your bike safe.


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