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  1. #1
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    are kryptonite locks good?

    Hello everyone, after recently buying a $14 kryptonite lock from walmart, I googled for kryptonite vulnerabilities and ended up here, and found out about the circular key exploit which honestly terrified me . Anyways, the lock I got from walmart isnt a circular key u-lock, it is a cable lock (12mm thick, about .6 inches) with a flat key, and I was wondering if anyone had any experience or knowledge about this type of lock or kryptonite locks in general which could attest to its effectiveness?

    my lock looks like this but is blue
    http://www.kryptonitelock.com/inetis...s_item&pgrp=20

    and I am also seriously considering buying another lock and was wondering if anyone could make recommendations as to what type or brand of locks are good

    thanks for your help

  2. #2
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    Cable locks are okay for locking your front wheel, or even your bike, while you are at Starbucks, sitting five feet from your bike, and safe if you live in "Friendly Village".

    But, a "Big City" crook can cut a cable lock in under five seconds, so a cable lock has zero value when the bike is out of your sight, such as when you are at the movies. Campus police officers will tell you that they get reports of fifty bikes stolen that used cable locks for every ONE bike stolen that properly used a "name-brand" U-lock.

    You need a sturdy steel "U-lock", such as those made by Kryptonite or OnGuard, that uses a flat, not round key. About $50 to $80 at a good bike store, not at Wal-Mart. Good choices for urban areas and college campuses are the Kryptonite New York 3000, and the OnGuard Brute.

    Put the lock around the rear wheel, with the lock close to the seat tube. Secure the lock to a steel pole that is at least two inches wide, set in concrete. Make sure the pole is designed to prevent "lifting" the bike up over the pole. If you lock only the frame and do not lock the rear wheel, you will find out how expensive a rear wheel is. Use a second lock, such as a beefy cable lock, to secure your front wheel.

    Park where there is a lot of light, and a lot of people. And, park next to a bike that uses only a cable lock. A thief won't take your bike when someone else is making a "gift" of their bike.

    Use a lock with a "Gold" rating from the Sold Secure testing program.

    www.soldsecure.com/Leisure.htm
    Last edited by alanbikehouston; 01-26-05 at 11:00 AM.

  3. #3
    Listen to me powers2b's Avatar
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    Quote Originally Posted by m4rk4s
    it is a cable lock (12mm thick, about .6 inches) with a flat key,
    I have had that same cable lock for over 10 years and I am quite happy with it.
    I used it when I lived in LA, Paris and currently use it in Cleveland.

    The advantages of cable locks:
    Can lock multiple bikes
    Long enoough to lock both wheels and frame
    Difficult to cut with bolt cutters
    Compact enough (when coiled) to fit in a jacket pocket.
    Enjoy

  4. #4
    I drink your MILKSHAKE Raiyn's Avatar
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    Quote Originally Posted by powers2b

    The advantages of cable locks:
    <snip>
    Difficult to cut with bolt cutters
    Not as hard as you would think while the cable itself is hard to cut due to the fact that it will more readily crush than be cut the points where it's attached to the locking mechanism are quite easy to cut with a decent sized bolt cutter.

  5. #5
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    In the UK and the Netherlands, Sold Secure and the ART Foundation test and rate bike locks. The number of top rated locks available in the UK and Europe is very long. The list of top rated locks currently sold in the US of A is very short. The locks that indicated in testing that they can actually delay or stop a thief are:


    CHAIN LOCKS:

    -Kryptonite NY Disc Lock with the NY Noose

    -Kryptonite NY Disc Lock with the NY Fahgettaboudit Chain

    -OnGuard Beast 14mm Chain with OnGuard Boxer 5046 Disc Lock



    U-LOCKS:

    -Kryptonite NY Lock

    -OnGuard Brute Lock


    These are the five locks that have proven in testing they can stop a skilled thief. Lesser locks work primarily by convincing the thief to go after the Cannondale with the $5 cable lock - they send a crook away, but they can't defeat a well prepared and determined crook.

    The list of "Gold" rated locks is posted at Sold Secure, which certifies security products for the insurance industry in the UK.

    www.soldsecure.com/Leisure.htm
    Last edited by alanbikehouston; 01-25-05 at 05:43 PM.

  6. #6
    Senior Member ajay677's Avatar
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    Quote Originally Posted by m4rk4s
    Hello everyone, after recently buying a $14 kryptonite lock from walmart, I googled for kryptonite vulnerabilities and ended up here, and found out about the circular key exploit which honestly terrified me . Anyways, the lock I got from walmart isnt a circular key u-lock, it is a cable lock (12mm thick, about .6 inches) with a flat key, and I was wondering if anyone had any experience or knowledge about this type of lock or kryptonite locks in general which could attest to its effectiveness?
    I had a similar Kryptonite cable. I also had a nice bike it was locked with. Don't have either anymore. Some scumbag cut it off my front porch railing. I didn't use the u-lock I had, on the porch. Hell, it was locked on my covered porch, in front of a 12 foot wide picture window, under a bright light. Some brass ones on that thief, although he, or she, dropped their bolt cutters. They were a crappy, 2 foot model, dull and still managed to cut the cable. Get a u-lock, On-Guard, Kryptonite New York 3000, and use it.
    Last edited by ajay677; 01-20-05 at 07:27 AM.

  7. #7
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    The March "Bicycling" rated locks. The 8 1/2 pound Kryptonite New York Fahgettaboudit and the OnGuard Pitbull (3 lb.) passed their tests. A cable locked failed (duh) as well as the easily cut Master Lock Street Cuff.

    My "carry along" favorite remains the OnGuard "Mini" because its small size and 2 lb. weight gives me no excuse to leave it at home, and the "Mini" is too small for a cook to use prying tools.
    Last edited by alanbikehouston; 01-26-05 at 11:02 AM.

  8. #8
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    I have a Krypto NY U lock. I was interested in the Krypto Chai w/EV Disc Lock (article number 730149) which is not te same thing as the Fahgettaboudit but it is a little lighter and cheaper. My question is this; where do I get it? Colorado Cyclist has to no locks, Performance and Nashbar do not have these. If I do a wider google search, most sites have pictures of older versions of this lock w/an obsolute tubular key. Oh yeah, the NY U Lock is fine for my road bike but will not fit around my Cannondale MTB.

  9. #9
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    Quote Originally Posted by ajit_de_silva
    ...the NY U Lock is fine for my road bike but will not fit around my Cannondale MTB.
    Place the NY lock around the rear tire, with one "leg" of the lock directly behind, and almost touching, the seat tube. This method protects both the rear wheel and the frame. If a crook tries to take the wheels off, the lock (at THAT position) prevents removing the frame from the wheel.

    A ten buck combo cable should be used around the front tire and frame, to protect it. Replacing the front quick release with a bolted skewer adds another layer of protection.

  10. #10
    I drink your MILKSHAKE Raiyn's Avatar
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    Read and learn Grasshopper Lock Strategy

  11. #11
    So say we all.
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    Question:
    Everyone I've seen online advocates U-locking the rear wheel and frame to the bike rack, then running a cable lock through frame to front wheel.
    Every bike I've ever seen locked up props the bike on the fork and U-locks the frame and front wheel to the rack.

    What's the difference?

  12. #12
    I drink your MILKSHAKE Raiyn's Avatar
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    Quote Originally Posted by RedHairedScot
    Question:
    Everyone I've seen online advocates U-locking the rear wheel and frame to the bike rack, then running a cable lock through frame to front wheel.
    Every bike I've ever seen locked up props the bike on the fork and U-locks the frame and front wheel to the rack.

    What's the difference?
    Having 2 types of locks means that the thief needs to have tools to defeat both of them which slows them down. Bike theft is an opportunistic crime. Make things more difficult and the risk drops.

  13. #13
    Immoderator KrisPistofferson's Avatar
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    Chattanooga's crackheads have erected a statue of me for financing their wonderful habit for so many years, before I bought a Krytonite U-lock. I have had bikes stolen with cables and chains,(including the Kryptonite-branded ones, I hate to say,) many times in broad daylight, but since I got the U-lock a few years ago, it hasn't happened at all. I saw on 20/20 a while back they hired a bike thief to do his thing, and he did! One thing he repeated over and over was that he didn't mess with the Krytonite u-locks specifically. That, plus the fact that they replaced everyone's lock that wanted it replaced, was enough for me to think they're a reputable company with a quality product. I forgot what my point was, but this sums it up:
    1. Dang, I really hate bicycle thieves. I cannot tell you how many awesome, expensive bikes I have lost to the scum.
    2. Kryptonite good. There's a lot of people on these forums who diss them now for having to obey the laws of physics with their exchange program, but they're the kind of people who get loogies hocked in their food on a regular basis, so it's OK.
    Quote Originally Posted by Bikeforums
    Your rights end where another poster's feelings begin.

  14. #14
    I drink your MILKSHAKE Raiyn's Avatar
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    Quote Originally Posted by krispistoferson
    2. Kryptonite good. There's a lot of people on these forums who diss them now for having to obey the laws of physics with their exchange program, but they're the kind of people who get loogies hocked in their food on a regular basis, so it's OK.
    That about sums it up for me too

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