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The Kryptonite KryptoFlex 410 is a 4-foot long, 10mm thick braided steel double loop cable lock designed for superior cut resistance and versatile security. Its protective vinyl coating safeguards your bike or equipment from scratches, while the double loop ends allow seamless integration with Kryptonite U-locks, disc locks, and padlocks. Lightweight yet robust, it’s perfect for securing multiple bikes or outdoor gear, backed by a limited lifetime warranty for lasting trust.

| ASIN | B000NORUJW |
| Additional Features | BRAIDED STEEL CABLE |
| Best Sellers Rank | #52,528 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #77 in Bike Cable Locks |
| Brand Name | Kryptonite |
| Color | Gray |
| Control Method | Touch |
| Controller Type | Ring |
| Customer Reviews | 4.7 4.7 out of 5 stars (3,814) |
| Finish Types | Painted |
| Global Trade Identification Number | 00720018210818 |
| Included Components | one lock |
| Item Dimensions | 47.24 x 0.19 inches |
| Item Type Name | Bicycle Lock, Kayak lock and outdoor equipment lock. |
| Item Weight | 0.7 Pounds |
| Lock Type | Double Looped Cable |
| Manufacturer | Kryptonite |
| Manufacturer Warranty Description | Replace if was broken from factory |
| Material Type | Diameter braided steel cable; vinyl |
| Model Number | 720018210818 |
| Recommended Uses For Product | Bicycle Lock, Cycling |
| Shape | U Shape |
| Style Name | 3/8" (10mm) cable diameter 4' (10mm) cable Length |
| UPC | 720018210818 |
| Unit Count | 1.0 Count |
N**N
quality cable
Great addition to my NY u-lock, now I can lock the entire bike up and feel confident it will slow and deter some thieves. Nothing is 100% but this set up is way better than most. Very pleased with the sturdy construction and length.
J**R
Great Companion for Extra Security
This cable is the perfect companion to my Kryptonite Evolution Mini-5 U-Lock. It provides that extra layer of protection for securing wheels or accessories, giving me even more peace of mind. You really can’t go wrong with Kryptonite if you need a reliable solution for added bike security.
C**D
Perfect size and quality
Works for what I need.. my Yakima bike rack has a built-in locking mechanism for the actual receiver portion but an extra layer of protection is always nice for peace of mind. I run this decent-size cable through the Yakima carrier directly to the hitch itself and lock it with a medium sized American Lock. I'm sure bottom line if somebody wanted it bad enough they'll go through the trouble of cutting it, well know that scum of the earth is in every state. but for 10 bucks I feel like it's definitely worth it and I love the quality feel of it
E**E
A good trade-off
There's thicker cables you can buy, but I'd rather risk a front tire than haul something that's heavy, bulky and difficult to pack. CONS: the 10mm thickness isn't available on the 2.6ft length, which is all that's needed to secure front tire to a ULock.
D**A
Good cable - long enough to lock up components.
On a 60cm bike with a very high seatpost this is long enough to lock up my saddle, rear wheel, and Vector pedal (left side only). I lock my bike with an Abus Bordo X-Plus (like a U lock but the U is in flexible segments instead of a rigid U). I put the lock around the front wheel and frame, and this short cable is enough to add a little deterrent to the bike components. I don't have any theft protection on the cockpit beyond the brake and shifter cables. As it stands, someone would have to use tools to take most things off my bike - they could get the skewers - nothing else comes to mind... I can fit this cable in my back jeans pocket, but also I am 6'4" so IDK whether that would be true for smaller people. I wear 34" waist jeans. I'm still searching for a way to easily/quickly carry this on the bike but so far IDK. Also fits in a jersey pocket. The velcro cable tie is a nice touch - keeps it from springing open when coiled in a pocket. I wish it was smaller. I wish there was no theft in the world. BTW I'm sure most people know this already, but just in case this is the only text you ever read on locking up a bike: the trick to getting the most out of a double-loop cable is feeding it through one of its own loops. One end is looped around a wheel or saddle rail or whatever, and the other loop goes through the lock. That way you get double the coverage - or half the cable length - as you would putting your main lock through both loops of the cable. HTH, Michael
N**W
Perfect to add to a U-Lock
I bought this to add another layer of security when I'd be leaving my bike out for longer than a quick pop-in and out from a store. Living in NYC I would NOT recommend this as your only layer of protection, I use this with the Kryptonite Evolution Mini-5 Bicycle U-Lock with Transit FlexFrame Bracket (3.25-Inch x 5.5-Inch) The thing doesn't weigh much and fits coiled up in my backpack. 4 Feet is a good length and it can fit both of my wheels to my U-Lock on the center of the frame. It may be that some bikes have different geometries so try it out before committing to see if you need a longer version. What's also good of it being 4 Feet long is that you can make a sling out of it with the U-Lock locked on either loop at the ends. So I lock it up like that and toss it over my shoulder messenger-bag style and it sits perfectly when I ride. Anything longer and it just becomes cumbersome. I'm 6'1" btw. I've been lucky so far and haven't had anything attempted to be stolen on my bike but I think just another layer of protection would make a thief turn to another bike that is easier to steal.
B**H
High quality and strong cable!
Even though I would never rely on this cable or any cable lock as my primary lock, I feel confident using this cable to lock my seat if I am using 2 high security locks. If I am gonna be real quick and pretty much have my eye on bike, I could use 1 high security lock and put the cable from my lock through my seat to the front tire. This cable is nice and thick and it is braided which is stronger than the twisted coil cables that most riders use.
S**T
Loops are very large
I bought this to use as a secondary lock for my bike. I have a Master disc lock, and intended to put one loop through the other and lock the one loop. This disc lock does not have a lot of room under the shackle, so putting both ends of the cable in is difficult. The problem is that the loops are so large that the lock fits through the loop. Since I can't easily get both ends in the lock, and the lock fits through the loop, I can't use it. Aside from the loop issue, the quality of the cable seems good, it's flexible, it is as long as advertized. But the very large loops make it unusable for my purposes.
M**E
Lo que más me gusta es sus detalles en cuanto a sus terminaciones. Ambos bucles están bien adecuados de tamaño y entran por cualquiera de las barras que constituyen el armazón del sillín. Metes un bucle, pasas el otro por dentro de este, y de allí pasas la rueda trasera y enganchas con candado que pillas rueda delantera cuadro y el poste de la calle. Queda una bici bien asegurada. No pesa, trae velcro para llevar recogido. Hablamos de un cable "quita ganas", es decir: le quita las ganas al ladrón de sustraer, urtar, agacharse y llevarse tu rueda, tu sillín, disuadir a los listillos. Si es un profesional y se le ha metido por ojo robarte, lo corta con gillotina de 30cm, por eso no lo uso para anclar al poste fijo, sino como complemento en zonas más peligrosas que tengo que hacer parada.
M**E
This is the second cable that I have purchased. The last one secured my Claude Butler Urban 300 and because I now ride a Fiido Bike I thought that I would use two cables and padlocks as Bikes are expensive and a target. Good value, tested quality, good functionality, easy to use, very sturdy, good security for a short visit to the shops but a y longer like overnight then you will need a much more secure lock like the Kryptonite new York D lock and cable. I make my bike more secure by removing the battery (easy) and placing in my shopping trolley. The bikes no use without it which is a deterrent. I am a skilled electrical mechanical engineer by profession and was an on screen expert for BBC Watchdog and Rogue Traders for some years and subsequently sworn to honesty. I tend to research a product drilling down into the quality and value of the item before I buy. I am not paid for my reviews and have no personal gain from them. I have no difficulty recommending this item. What's not to like. Go buy!
K**E
I've had this product for some time and use it on a daily basis . It's the right length to go from one wheel to the other and around a bike stand thus securing the whole bike . The bright orange highlights standout to would-be theives and act as a great deterant .
C**.
Gutes Schlaufenkabel. Habe es zum Umlenken von dicken Ästen beim Baumfällen genutzt. Es hat auch 300kg Äste gehalten beim ablassen
一**師
ワイヤーロック(KRYPTONITE, LKW12600)とパナソニック U字ロック(SAJ080)のコンビネーションは、1)セキュリティ機能と2)携帯性において優れており、レビューワーはたいへん満足しています:前者に関しては、頑丈な上に、アースロックが容易に出来ることが挙げられます。一方、後者では、〜添付画像(左:TREK FX2; 右:GIOS Mistral)をみてください〜、<ワイヤーロック(KRYPTONITE)とU型ロック(パナソニック)>が、ズッポリと、IBERA(イベラ) トライアングル フレームバッグ M (IB-FB1-M)に収納されているのが、よくご覧になれるとおもいます。この三週間、サイクリング毎にいつも活用しているのですが、はっきりいって良いですか?、『買い』です!
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