Brand | Kryptonite |
---|---|
Special Feature | Cut Resistant |
Lock Type | U-Lock |
Item dimensions L x W x H | 3.27 x 1.18 x 7.01 inches |
Material | Steel |
Recommended Uses For Product | Cycling |
Style | Mini_7_w_cable |
Color | Black & Steel |
Number of Pieces | 3 |
Finish Type | Vinyl |
Included Components | U-Lock Bicycle |
Controller Type | Hand Control |
Shape | U Shape |
Item Weight | 1 Kilograms |
Control Method | Touch |
UPC | 720018002079 |
Model Name | Evolution Mini-7 & KryptoFlex 410 |
Global Trade Identification Number | 00720018002079 |
Manufacturer | Kryptonite |
Item Package Dimensions L x W x H | 9.76 x 7.24 x 3.07 inches |
Package Weight | 1.57 Kilograms |
Item Dimensions LxWxH | 3.27 x 1.18 x 7.01 inches |
Brand Name | Kryptonite |
Warranty Description | Limited Lifetime Warranty |
Suggested Users | Unisex-Adult |
Number of Items | 1 |
Part Number | 2079 |
Model Year | 2017 |
Outer Material | aluminum |
Size | Mini |
Sport Type | Cycling |
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- Product Eligibility: Plan must be purchased with a product or within 30 days of the product purchase. Pre-existing conditions are not covered.
- Terms & Details: More information about this protection plan is available within the “Product guides and documents” section. Simply click “User Guide” for more info. Terms & Conditions will be available in Your Orders on Amazon. Asurion will also email your plan confirmation with Terms & Conditions to the address associated with your Amazon account within 24 hours of purchase.
- No Additional Cost: You pay nothing for repairs – parts, labor, and shipping included.
- Coverage: Plan starts on the date of purchase. Drops, spills and cracked screens due to normal use covered for portable products and power surges covered from day one. Malfunctions covered after the manufacturer's warranty.
- Easy Claims Process: File a claim anytime online or by phone. Most claims approved within minutes. We will send you an e-gift card for the purchase price of your covered product. In some instances, we will replace or repair it.
- Product Eligibility: Plan must be purchased with a product or within 30 days of the product purchase. Pre-existing conditions are not covered.
- Terms & Details: More information about this protection plan is available within the “Product guides and documents” section. Simply click “User Guide” for more info. Terms & Conditions will be available in Your Orders on Amazon. Asurion will also email your plan confirmation with Terms & Conditions to the address associated with your Amazon account within 24 hours of purchase.
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- No Hidden Fees. For just $16.99 a month + tax you’re covered for up to 5,000 in claims per 12-month period. *THIS PROGRAM IS MONTH-TO-MONTH AND WILL CONTINUE UNTIL CANCELED* Coverage for all products ends 30 days after the plan is canceled. Cancel any time.
Add to your order
- Coverage for accidental damage including drops, spills, and broken parts, as well as breakdowns (plans vary)
- 24/7 support when you need it.
- Quick, easy, and frustration-free claims.

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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
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Return this item for free
We offer easy, convenient returns with at least one free return option: no shipping charges. All returns must comply with our returns policy.
Learn more about free returns.- Go to your orders and start the return
- Select your preferred free shipping option
- Drop off and leave!
Learn more
Return this item for free
We offer easy, convenient returns with at least one free return option: no shipping charges. All returns must comply with our returns policy.
Learn more about free returns.- Go to your orders and start the return
- Select your preferred free shipping option
- Drop off and leave!
Purchase options and add-ons
Brand | Kryptonite |
Special Feature | Cut Resistant |
Lock Type | U-Lock |
Item dimensions L x W x H | 3.27 x 1.18 x 7.01 inches |
Material | Steel |
About this item
- DURABLE DESIGN: This Anti-Theft bike lock features a 13mm hardened max-performance steel shackle with a bent foot anti-rotation design that resists bolt cutters and twisting leverage attacks. The lock disc-style cylinder side keyway is protected by a sliding dust cover and is pick and drill resistant
- MULTI-FUNCTIONAL: This Kryptonite bike lock is ideal to secure your bicycles, sports equipment, gates and fences, tool boxes & ladders, grills & lawnmowers, skateboards, truck bed and more. Includes a 4ft 10mm Steel Looped Cable For Additional Security
- SPECIFICATIONS: U-Lock interior locking dimensions are 3.25 in. x 7 in, 13mm steel shackle with a weight of 3.55 lbs. Bike lock security cable is 4 ft. (1.2 m) long and 10 mm wide in diameter. Includes three stainless steel keys with an ergonomic design
- EASY TRANSFORT with FLEXFRAME-U BRACKET: Includes a versatile FlexFrame U-bracket for quick and secure mounting to your bike frame, ensuring convenient transport without the need for a bag or backpack
- OPTIONAL ANTI-THEFT PROTECTION: Eligible for Kryptonite’s Anti-Theft Protection Offer (ATPO) up to $2,500 coverage for registered locks
- LIFETIME WARRANTY AND CUSTOMER SERVICE: Kryptonite is committed to providing our customers with high quality products, ensuring full satisfaction. If you are experiencing any problems with your product, please reach out to our Customer Experience team. We will work to solve your issue as quickly as possible. We provide our locks with a limited lifetime warranty so you can buy your lock with confidence.
Competitively priced item
Frequently purchased items with fast delivery
Top Brand: Kryptonite
From the manufacturer


- Rated 7/10 on Kryptonite's security scale
- High Security lock
- Eligible for the optional Anti-theft Protection
Evolution Mini-7 U-lock with 4' Flex
High Security
- 13mm hardened max-performance steel shackle resists bolt cutters and leverage attacks.
- 3 stainless steel keys
- New "pass-thru" crossbar design includes enhanced anti-rotation features, providing advanced protection against twist and single cut style attacks.
- New hardened double-deadbolts engage both shackle ends increasing holding power.
- New sliding dust cover.
- Higher security disc-style cylinder is pick and drill resistant.
- Includes flexframe-u bracket providing convenient multi-location u-lock transport.
- Dimensions: 3.25" x 7" (8.3cm x 17.8cm) - 3.55 lbs (1.61 kg's)
Shackle Size
13mm hardened max-performance steel shackle with new hardened double-deadbolts to engage both ends increasing holding power.
Anti-theft Protection
Register your product online to activate the optional Anti-theft Protection. In the unlikely event the product is defeated when used properly Kryptonite will pay out up to a certain value depending on the security value of the product. Visit our official website for further information. T&C’s apply.
Key Safe Program
Register your keys online and Kryptonite will ship you 2 keys, globally, in the event you lose them.
Stainless Steel Keys
3 stainless steel keys with an ergonomic design to reduce torque and keep them from bending or breaking.
Product Description
The Kryptonite Evolution Mini-7 U-Lock features a 13 mm hardened max performance steel shackle with a double deadbolt anti-rotation design that resists bolt cutters and twisting leverage attacks. The lock’s disc-style cylinder with center keyway is protected by a vinyl coating and is pick and drill resistant. The keyway also features a sliding dust cover to protect the cylinder from dirt and debris when not in use. It includes three stainless steel keys with an ergonomic design to reduce torque and keep them from bending or breaking. One of the keys has an LED key fob for added visibility in the dark. Rated at a 7 / 10 on our security scale, the Evolution Mini-7 is good for quick stops on college campuses, a couple of hours in major metropolitan areas, and all day & overnight in suburbs and rural areas. It also includes our patented Flex Frame-U Bracket providing convenient multi-location U-Lock transport. This lock is also bundled with a Krypto Flex 410 (4' 10mm) double looped braided steel cable for securing front wheel or accessories. The combination of these great features and our support programs including Key Safe, Anti-Theft Protection, and Lifetime make Kryptonite Bicycle Locks the best choice for protecting what you value.
Product information
Technical Details
Additional Information
ASIN | B06XZT8KZ1 |
---|---|
Customer Reviews |
4.5 out of 5 stars |
Best Sellers Rank | #4,506 in Sports & Outdoors (See Top 100 in Sports & Outdoors) #4 in Bike U-Locks |
Date First Available | April 2, 2017 |
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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
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This Is A MUST HAVE Bike Lock! - Kryptonite Evolution
TUFF MUST HAVES
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Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers appreciate the lock's solid construction and smooth locking mechanism. They find it to be a high-quality brand lock with a solid clamp and flexible cable that allows for different locking options. However, opinions differ on the overall lock quality and size.
AI-generated from the text of customer reviews
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Customers like the lock's build quality. They say it's solidly made and locks smoothly. The solid clamp and flexi cable provide flexibility when locking. Overall, customers find it a great set and a good combination.
"...optional theft insurance - pleasing color scheme - excellent build quality - reputable / trusted name Cons: -..." Read more
"...I lost the keys so I have to order new keys. It seems very sturdy. I would still strongly recommend it for enhanced bike security...." Read more
"...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..." Read more
"...This lock will not withstand an angle grinder, but no bike locks can, really...." Read more
Customers have different views on the lock's quality. Some find it easy to use and secure scooters or bikes, while others report issues with the keys not locking or unlocking properly, the lock getting jammed, and difficulty locking or unlocking the lock. The lock is small, so it can be a bit challenging to lock anywhere.
"...So far so good. Its a safety/protection device. You cannot always put a price on safety/protection...." Read more
"This lock has to be locked and unlocked a very particular way. It was tedious for me. I lost the keys so I have to order new keys...." Read more
"Very convenient. Very easier to lock. I use this for my REI COOP eBike for commute work." Read more
"...the cylinder engages the shackle at both ends, the keying system feels more like a real lock, and it seems to be robust...." Read more
Customers have mixed opinions about the lock's size. Some find it compact and lightweight, with nice frame mount options. Others say the shackle length is too short for most bike racks in their city.
"...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..." Read more
"...Pros: - great size - nice frame mount options - two keys included - optional theft insurance - pleasing color scheme -..." Read more
"...liked everything about this u-lock except it proved to be a tad too short for our needs, so we returned it for a longer model by the same..." Read more
"This lock was sold at a fair price, the weight, size and ease of use is out standing. Will purchase again if ever required." Read more
Reviews with images

Good for a cheap bike
Top reviews from the United States
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- Reviewed in the United States on December 23, 2023First. 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
- Reviewed in the United States on February 16, 2025Very convenient. Very easier to lock. I use this for my REI COOP eBike for commute work.
- Reviewed in the United States on February 2, 2025This lock has to be locked and unlocked a very particular way. It was tedious for me. I lost the keys so I have to order new keys. It seems very sturdy. I would still strongly recommend it for enhanced bike security. Tedious to put in place and tedious to remove.
- Reviewed in the United States on July 4, 2022Compared 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.
- Reviewed in the United States on February 11, 2025This lock was sold at a fair price, the weight, size and ease of use is out standing. Will purchase again if ever required.
- Reviewed in the United States on February 3, 2025It'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.
- Reviewed in the United States on March 20, 2025Nice lock. Lube it good with dry lube before using. I had trouble turning the key in when I first used it, but after some lube and a lot of use it works great now.
- Reviewed in the United States on December 8, 2024I like it. Fixed to my bike frame no problem. Solid clamp and flexi cable give flexibility when locking to differ my locations.
Top reviews from other countries
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manuel ruelas pinedoReviewed in Mexico on February 1, 2025
5.0 out of 5 stars Excelente candado
Excelente candado de seguridad, de buena calidad, robusto y que seguro protege tu bici usándolo de la manera correcta
manuel ruelas pinedoExcelente candado
Reviewed in Mexico on February 1, 2025
Images in this review
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chk767Reviewed in Belgium on January 2, 2025
5.0 out of 5 stars Parfait
Conforme à la description
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Mr. MindReviewed in Germany on November 13, 2024
5.0 out of 5 stars Robustes und sicheres Fahrradschloss – Top Schutz für dein Fahrrad und Scooter
Das Kryptonite Evolution Mini-7 Bügelschloss ist ein absolutes Muss für jeden Fahrradfahrer, der sein Fahrrad gut absichern möchte. Nach einigen Wochen im Einsatz bin ich sehr zufrieden mit der Qualität und der Sicherheitsstufe dieses Schlosses.
Vorteile:
Hoher Sicherheitsgrad: Mit einem Sicherheitsgrad von 7/10 bietet das Mini-7 Bügelschloss einen guten Schutz vor Diebstahl. Es ist robust genug, um das Fahrrad vor schnellen Diebstahlversuchen zu schützen, und ideal für städtische Gebiete, in denen die Gefahr eines Diebstahls höher ist.
Bauqualität: Das Schloss ist aus hochfestem Stahl gefertigt und widerstandsfähig gegen Manipulation. Die Konstruktion fühlt sich äußerst stabil und langlebig an.
Praktische Größe: Das Mini-7 ist kompakt und lässt sich problemlos am Fahrrad transportieren, ohne dass es zu viel Platz wegnimmt oder schwer wird. Es lässt sich einfach an einem Fahrradständer oder einer ähnlichen Struktur anbringen.
Schlossmechanismus: Der Zylinder ist gut verarbeitet und schützt vor Picking und anderen Manipulationen. Ein solides Gefühl beim Verschließen des Schlosses.
Was mir weniger gefällt:
Der Preis ist etwas höher als bei anderen Fahrradsicherungen, aber angesichts der Qualität und des Sicherheitsniveaus finde ich das absolut gerechtfertigt. Außerdem könnte der Bügel für manche Rahmen etwas zu kurz sein, aber das ist bei kompakten Schlössern nun mal häufig der Fall.
Fazit:
Das Kryptonite Evolution Mini-7 Bügelschloss bietet hervorragende Sicherheit und ist eine ausgezeichnete Wahl für alle, die ihr Fahrrad effektiv schützen möchten. Es ist robust, kompakt und bietet ein gutes Verhältnis von Sicherheit und Tragbarkeit. Für den Preis bekommt man ein sehr zuverlässiges Produkt, das man bedenkenlos weiterempfehlen kann!
- mongmongReviewed in the Netherlands on October 22, 2024
5.0 out of 5 stars <3 kryptonite <3
My first ever Kryptonite product and I am INLOVE. I've got 2 (race bike and a dutch bike) of my bikes stolen and 1 (mountain bike) destroyed to pulp, but with these locks nothing has happened to my new race bike so far.
The frame mount is super nifty and cord gives me a lot of peace in my mind HAHA
I have zero complaints!
I've had a handful of moments where I was unable to open the lock due to its locking mechanism, but that's probably just a skill issue.
And! Just a headsup, these are susceptible to rusting so remember to keep the keyhole closed ;)
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Tamara ZuñigaReviewed in Spain on October 17, 2024
5.0 out of 5 stars Un candado de calidad.
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.