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How to break kryptonite bike locks?



hey, I'm a college student, and i brought my bike to school for the first semester. I used a kryptonite lock, (the really strong ones), and it somehow does not open now. the problem is that it is still attatched to my bike, and i want to get my bike out before it snows, so it doesn't rust. any suggestions on how to seperate my bike from the bike lock, or bike rack it's attatched to?

Use a Bic Pen 1

Until 2004 Kryptonite locks used the tubular pin tumbler locking mechanism. In 2004, videos circulating on the Internet demonstrated that some tubular pin tumbler locks of the diameter used on Kryptonite locks could be easily opened with the shaft of an inexpensive ballpoint pen (e.g. BIC brand) of matching diameter. Trade website BikeBiz.com revealed that the weaknesses of the tubular pin tumbler mechanism had first been described in 1992 by UK journalist John Stuart Clark. For an article in New Cyclist magazine he teamed up with a bike thief to show how easy it was to break in to the majority of bicycle locks then on the market. One of the methods he revealed was the ballpoint pen method. His article led to follow-ups in bigger circulation bicycle magazines and a BBC TV consumer rights programme also carried a feature on the pen method. Some UK trade distributors of bicycle locks using the tumbler mechanism withdrew the products from the marketplace and introduced locks which were more pick-proof. Following BikeBiz.com's report about this 1992 knowledge of the pen method the lock-picking video received widespread attention by the mainstream media and after a few days of negative publicity the company responded with a lock exchange offer. However, lawyers in the US and Canada had already launched class actions against the Kryptonite Corporation, citing the 1992 revelations on BikeBiz.com Kryptonite Corporation later settled the claims out of court despite the fact the 1992 magazine article had not featured a Kryptonite lock and Kryptonite employees said they were unaware of the 1992 article

http://en.wikipedia.org/wiki/kryptonite_...

Check out this video on www.youtube.com to how its done. Good Luck Buddy

http://www.youtube.com/watch?v=vufzj2xbh...

Fares Al Sagri
I dont buy it, you're just trying to steal a bike...loser

A really large sledge hammer should do it.

Or a cutting torch
Freeze it with a good blast of freon or nitrogen gas and hit it with a big hammer. You might be able to use propane too but I don't think that it gets cold enough to freeze the metal to a crystalline state.

The other option is to call a locksmith and explain your problem. As long as you have the key they should be able to help you out...but you MUST have the key.
I used a Sawzall to remove one once. Cut right through it. The U-bend, of course, not the lock bar.
If its a cylinder lock use a plastic pen
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