Kryptonite Evolution Mini-7 Bike U-Lock, 13mm Steel Shackle, 4 ft Cable

Serious thieves use bolt cutters and cordless angle grinders that can cut through this lock in a minute, so consider this lock and cable combo suitable for only low-value bicycles of no interest to serious thieves. And that's why I bought it, for a low-value bicycle that I leave for short periods of time in low-risk locations. This lock will stop the casual thief without tools who might otherwise steal a low-value bike or wheel just sitting there easy to take. If you have a high-value bike, frequent high-risk locations, or leave your bike exposed overnight, then definitely get a better lock more able to defend against tools. Measured dimensions for the "U" part is 3-1/4" wide x 7-1/16" long (inside), and 4-1/2" wide x 8-5/8 long (outside). The cable is 4 ft. end-to-end, and 0.37" diameter with plastic cover. Before ordering this lock, be sure to measure dimensions on your bike and to what you intend to lock to so you're sure it will fit. The name is "Mini-7", less than regular size. I give it five stars for it's appropriate use for low-risk situations and low-value bikes, beyond that is expecting too much.

super easy, super strong, and the on-bike mounting bracket really works! But if you ever lock up to anything other than a skinny bike rack, get a lock bigger than the mini-7, it's a really tight fit.

(Revised) Had some trouble with the lock at first. Added some lubricant. Now works well. Had to jiggle it a bit but finally got it working.

Compared to most other less expensive locks that I've had, this Kryptonite Evolution appears to be better crafted, has a much heavier crossbar, the cylinder engages the shackle at both ends, the keying system feels more like a real lock, and it seems to be robust. Overall, these are impressive qualities that I do appreciate and they make me feel better about locking in high crime areas. However, there are some issues: the 13mm shackle is really not much heavier than most other locks, the shackle is a little too short for many real-world applications, the keying is sticky, and the bracket mount needs improvement. For a lock at this price, these issues are a little disappointing. I guess I can live with the 13mm shackle with the understanding that it's a trade-off for lighter carrying weight. The shorter shackle is a bigger issue. Another inch would make it so much easier to lock in many situations. The keying can be frustrating to engage, but maybe it's just the individual lock that I purchased. The thing that I dislike most is the bracket mount. It's complicated to install. Once installed it's even harder to reinstall in a different location if you need to after you've trimmed the band. The bracket's bulky shape just doesn't look that great when mounted. Also on the issue of aesthetics. the color of the lock itself is a brighter orange than it looks to be on most web photos. Perhaps this was a marketing decision for brand identity. A more neutral color would look so much better on most bikes.

First. We all need to understand. Any bike can be stolen no matter what bike lock you use. A bike lock is a deterrent. Like "hey steal the bike next to me, it does not have a lock it will be easy". That said this mini-7 is quite stout. Any thief will at least need to work a little, and carry the proper tools. This mini-7 was purchased for college student who would leave bike outside in a rack along with many many other bikes. So far so good. Its a safety/protection device. You cannot always put a price on safety/protection. However, I sure would be nicer if it was a bit less expensive. Pros: - great size - nice frame mount options - two keys included - optional theft insurance - pleasing color scheme - excellent build quality - reputable / trusted name Cons: - not clear/easy, cable storage on the frame - its small (duh its a mini, but be careful about buying this, it might be to small to lock both a wheel+frame to a solid support) - pricey Would I purchase again: Yes Would I recommend to others: Yes

Great lock. Has both the cable and U-lock making it tougher for any thief. Easy to use. Happy with purchase.

It's easy to get into "analysis paralysis" when looking for bike locks on here. This one delivers on a few specific things I was looking for: 1) You don't read too many reviews from people that bought a heavy duty lock, such as this, yet still got their bike stolen. 2) I like that it comes with a cable. Even though I know it's only the U-Lock that truly protects the bike and that cables can easily be cut...wrapping it around your tires and other things thieves may want to steal provides that extra annoyance that can ward off those looking for a "quick grab". 3) I like that the U-Lock can essentially be mounted anywhere on the bike. There are a few different locations they recommend mounting it, and having those options means you don't have to choose between mounting your bike lock or having a water bottle holder. You can finally have both. 4) I like that it comes with 3 medium-duty keys that easily fit and turn inside the lock. I'm one of those people that will probably lose 1 or 2 keys of any set I am given, so this is great. Also, I never felt like I had to force the key to get it to turn (in fact, if you're forcing it you're probably doing it wrong). 5) I like that the U-Lock buckles in on both sides, making it harder for someone to try and jam the lock off. All in all, if someone really wants to steal your bike, they will. But making it harder and more annoying for them to do so, and buying a heavy duty lock that will make their life difficult, significantly decreases the likelihood of that happening. I live in a medium-sized city (less than 1 million) where bike theft is very common and I feel comfortable leaving my bike locked up outside for hours with this one.

Update: Kryptonite quickly replaced the faulty lock. The new lock looks identical, but is noticeably smoother in both the key operation and the shackle operation. It even slides into the holder more smoothly. Previous review below: The whole lock seems very sturdy, and doesn't weigh too much for what it does. But... if only the cylinder worked reliably. There have been more times than not that I have had to spend a minute or more fiddling with the key to lock or unlock. I had an On Guard Bulldog Mini that seized up that led to buy the Kryptonite. The (less expensive) Bulldog lasted 6.5 years - the grass is not greener... The Kryptonite started acting up within months. A headache. Avoid.

As a new bike user, I was a bit worried about choosing the right lock and took some time before deciding on this one. After using it for the past three months, I haven’t had a single issue. It’s super strong, looks great, and is easy to carry around. Feels very secure and well made ... definitely a great choice.

頑丈で切断もされにくい

El tamaño es bueno para que encaje bajo el asiento de la bicicleta, de ser más largo no cabría en ninguna parte de mi bicicleta que es talla M. Se siente fuerte y seguro. El seguro contra robo que ofrece "Kryptonite" no aplica en mi país (México).

Este candado para bicicleta ha sido una de las mejores compras que he hecho. Su mecanismo es sencillo de entender y fácil de usar; colocarlo en la bicicleta es rápido y práctico, sin importar la posición o el lugar donde lo asegures. Lo he probado en varias situaciones y siempre se adapta a diferentes tipos de bicis y puntos de anclaje en la ciudad, lo que te permite despreocuparte totalmente. La calidad de los materiales es impresionante. Aunque he realizado pruebas para forzarlo y verificar su durabilidad, ha resistido perfectamente. El candado muestra una excelente resistencia ante intentos de manipulación. Además, su diseño no solo es bonito, con formas y colores atractivos, sino que también es muy ligero, lo que lo hace fácil de llevar, ya sea colgado en la bici o en una mochila. He usado otros candados de la misma marca en zonas con alto índice de robos, y mi bicicleta siempre ha estado segura. Esto me da una gran confianza en la marca y la tranquilidad de poder dejar la bici mientras tomo un café o la dejo fuera del trabajo sin estar preocupado. Es, sin duda, una opción muy recomendable para cualquier tipo de bicicleta y para cualquier ciclista que busque seguridad y practicidad en su día a día.

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