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  • Kryptonite Kryptolok Series 2 Standard Bicycle U-Lock with Transit FlexFrame Bracket (4-inch x 9-inch) with 4-Foot Flex Cable
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Kryptonite Kryptolok Series 2 Standard Bicycle U-Lock with Transit FlexFrame Bracket (4-inch x 9-inch) with 4-Foot Flex Cable

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List Price: $47.95
Price: $42.95 & FREE Shipping. Details
You Save: $5.00 (10%)
In Stock.
Ships from and sold by Amazon.com. Gift-wrap available.
  • 13mm hardened Performance steel shackle resists cutting and leverage attacks
  • High security Bent Foot(TM) design for serious protection and great value
  • High security, pick and drill resistant disc-style cylinder
  • 2 keys - "I" style for easier usage
  • Includes Transit FlexFrame Bracket for easy mounting to frame tubing 25mm to 80mm wheter round, oval, triangular, or square. Also features 360° rotation providing the ability to better fit and align with a bike frame's specific geometry.
41 new from $42.95 2 used from $37.99 1 refurbished from $37.97

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Frequently Bought Together

Kryptonite Kryptolok Series 2 Standard Bicycle U-Lock with Transit FlexFrame Bracket (4-inch x 9-inch) with 4-Foot Flex Cable + BV Bicycle Light Set Super Bright 5 LED Headlight, 3 LED Taillight, Quick-Release + Schwinn Thrasher Adult Micro Bicycle black/grey Helmet (Adult)
Price for all three: $72.00

Buy the selected items together



Product Description

The next generation in standard bicycle security with a $1500 USD anti-theft protection with a security rating of 8 of out 12 and includes a KryptoFlex Looped Cable 4' long for complete protection.Kryptonite U-locks represent extreme security while maintaining a realistic size/weight. U-locks represent the most popular lock for enthusiasts.In the early 1970s, Michael Zane was a free-spirited, bearded kid with a VW van and a big idea for a new kind of lock. He traveled thousands of miles showing the unique U-shaped locking device and spreading his passion for bicycle security to bike dealers all around the country and forged lifetime relationships. The company soon expanded its product line to include powersports, hardware and snowsports security.

Product Details

  • Product Dimensions: 11.3 x 7.4 x 2 inches ; 3.6 pounds
  • Shipping Weight: 3.7 pounds (View shipping rates and policies)
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • Origin: China
  • ASIN: B005YPK8G2
  • Item model number: 152074
  • Average Customer Review: 4.3 out of 5 stars  See all reviews (914 customer reviews)
  • Amazon Best Sellers Rank: #611 in Sports & Outdoors (See Top 100 in Sports & Outdoors)
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Customer Reviews

This lock is very heavy and is great quality.
Bergge
The mount you connect to your bike to attach the lock when not in use gets loose very easily.
Mr Dopee
I always feel safe leaving my bike locked up with this.
Isaac

Most Helpful Customer Reviews

507 of 522 people found the following review helpful By Degev on September 10, 2012
Okay, let me just say this package is amazing. Not only is the lock super-tough, but the customer service you get with it is absolutely fantastic. Case in point: Mardi Gras, New Orleans, 2011. I lock my bike up somewhere not particularly safe, then proceed, over the course of the day, to lose my keys. That means no way to get my bike unlocked. Ahh, but I had registered my bike keys for this lock with Kryptonite, which is a free service through their website through which you can order replacement keys. I called them, and they were able to look up the lock number and send an order to their shop to make me a new key for FREE! Hooray. (I think its the first set of replacement keys that are free - after that a small fee applies?) Well, it ends up that their key machine broke right as I had this problem, and it was going to take a few weeks to fix. But instead of telling me I had to wait, they instead contacted me, and offered to pay to have my lock cut AND send me a replacement lock - again, for FREE - because the machine was down, but they knew I was worried about the safety of my bike! How great is that? (Especially since it was my own dang fault the keys were lost).Read more ›
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398 of 413 people found the following review helpful By Crash on August 4, 2013
Length: 6:11 Mins
I came to this lock from another Kryptonite u-lock that had the "bic pen pickable" key systems. That lock was great and worked well for me for many years. It also had a fantastic mount that was very straightforward, though on a couple occasions the U-lock would fall out of the mount. Enough about my old lock, let's talk about this one.

It's a u-lock. Very strong, as you probably already know. I've seen videos of other brands of u-lock being cut by bolt cutters, but I haven't seen a Kryptonite cut yet, so I believe them to be of higher strength than the rest.

The issue for this bike is the mounting system. It's designed to be very versatile, and there's a good bit of complexity needed in order to meet that. There's nothing wrong with it except the lack of clear instructions. See my video for how to install the mount on your bike.
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510 of 587 people found the following review helpful By JSim on July 2, 2013
Verified Purchase
This is not a good lock if you're planning on using it in NYC. After reading all of these reviews I had no doubt that my newly purchased bike would get stolen... well I was in for a surprise when I got out of work one day to find my bike stolen in broad daylight (in front of very busy store). I've posted pictures to demonstrate how this lock was defeated.

*UPDATE* - I had posted pictures of how this bike was defeated and the seller somehow deleted or disabled all of the customer pictures.

*UPDATE* 7/31/13 - Here are URL/links to the pictures

[...]
[...]

*UPDATE* 4/4/2014 - Amazon continues to remove my links and my uploaded images. Here are the URL/links again.

[...]
[...]
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94 of 108 people found the following review helpful By Calvin Hodgson on October 3, 2012
Verified Purchase
Edited review for the 3 month mark.

First impressions of this thing is that it is really heavy. Since I lock my bike up at a campus you need something like this. The included cable is really thick but not very long so you can't get it around your entire bike. Although much better then some peoples that I have seen. At the store I saw a bike with what had to be the thinnest cable lock ever. It was at most 4mm. Easy to cut through in a second with hand tools. I digress...

Lots of people have had problems with keys? I have had no bad experience with them yet. Make sure to insert it in all the way and it should work out. If you really are worried about quality of the key then go to a lock smith and get a better one.

The thing I hated is the flex bracket.
1. It wasn't long enough to fit anywhere where my fit would hit it
2. The instructions were a little complicated. Overwhelmed me at fist.
3. I store it in my backpack. May be 4 pounds but I don't really notice it.

Overall: This lock would need power tools to cut through it but on a college campus who is going to lug around those plus a generator since it will take alotta power. Not bad buy for the price it is longer then other U-Locks. Flex bracket instructions was little complicated

3 Month: Still have not had my bike stolen so I guess this thing is a real good deterrent from thieves. Didn't realize this when I was riding my bike at the time but my cable got stuck between wheel and was rubbing against it. Wore out the plastic a little but no significant damage. I now also put the cable in my backpack. Lasted six hours on a campus without getting stolen.

9/28/14 Update: There have been notices going up all over my campus about stolen bikes.
Read more ›
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Most Recent Customer Reviews


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