How to break kryptonite bike locks?
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 loc
