1 / 7Kryptonite Kryptolok 12.7mm U-Lock with FlexFrame-U Bracket
The Kryptonite Kryptolok U-Lock combines a 12.7mm shackle with a FlexFrame-U transport bracket. The listing describes a disc-style cylinder, two keys and a sliding dust cover, while customer feedback is positive about sturdiness but mixed on operation and reliability.
At a glance
- The listing claims the disc-style cylinder is pick and drill resistant. This is a manufacturer claim, not an independently verified security assessment.
- A sliding cover is intended to keep dirt and debris out of the keyway when it is not in use.
- The FlexFrame-U bracket is described as allowing multi-location transport of the U-lock.
Pros and cons
Pros
- A 12.7mm shackle and disc-style cylinder provide concrete security-focused features for a bicycle lock.
- Two stainless steel keys are included, and their ergonomic design is intended to reduce turning torque.
- The included FlexFrame-U bracket provides a way to carry the lock on a bike.
Technical specifications
6 specifications| Shackle thickness | 12.7mm |
|---|---|
| Cylinder | Disc-style cylinder with center keyway |
| Cylinder protection | Vinyl coating |
| Keyway cover | Sliding dust cover |
| Keys | Two stainless steel keys |
|---|---|
| Transport bracket | FlexFrame-U Bracket |
What to know before buying
- Customer feedback reports mixed ease of use and reliability, including accounts of difficulty closing the shackle, removing the lock from its holder, or keeping it working. Consider these reports when weighing convenience and dependable daily use.
Who is it for?
A good fit for
- Cyclists looking for a U-lock with a supplied transport bracket and two keys.
- Buyers who want a sliding keyway cover and a listed 12.7mm shackle.
Less suited to
- Buyers who need consistently trouble-free mounting or operation, given the mixed customer feedback on ease of use and reliability.
Customer reviews on Amazon
- 5 stars
70% 70% - 4 stars
17% 17% - 3 stars
3% 3% - 2 stars
2% 2% - 1 star
8% 8%
Customer feedback highlights perceived quality, sturdiness and security, with some customers also considering the lock worth its price. Experiences are mixed on ease of use and reliability, including reports of trouble closing the shackle, removing the lock from its holder and keeping it working. For buyers carrying the lock on a bicycle, those practical concerns matter alongside the listing's FlexFrame-U bracket and two keys.
Positive themes
- Customers describe the lock as high quality and solid, and praise its security.
Negative themes
- Some customers report problems with installation or removing the lock from its holder.
Mixed feedback
- Ease of use and reliability receive mixed feedback, including reports of shackle-closing difficulties and the lock stopping working.
Frequently asked questions
What comes with this Kryptonite Kryptolok?
The listing describes a FlexFrame-U bracket and two stainless steel keys alongside the U-lock.
Does the lock have keyway protection?
The listing describes a sliding dust cover intended to protect the keyway from dirt and debris when not in use.
What do customers report about using the lock?
Feedback is positive about quality and sturdiness, but mixed on ease of use and reliability. Some reports mention shackle-closing difficulties and trouble removing the lock from its holder.
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Kryptonite Evolution Series-4 LS Heavy Duty Bicycle U Lock Bike Lock with Transit FlexFrame Bracket (4-Inch x 11.5-Inch)
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£25.39
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