Originally Posted by DX Rider

Gee only the fact that I was the person that filled the key orders for them. There were THREE boxes that contained the keys when I went to fill the orders for the barrel keys, one series of numbers was found in box A (for instance serial numbers that end with 0000-3333), one series of numbers were in box B (3334-6666), and the last series were in box C (6667-9999).

So a full serial of 123456667 and 2341566667 both took the same key, based on the last four numbers being 6667.

I don't care what you've lead yourself to believe and I don't care if you believe me, I'm telling you what I saw.

As someone said, you would THINK that they have thousands of key cuts....but it's not so. They thought they were being clever by hiding the information within a code. And, than they change the key cut for the various groups every so often, which does throw in some variety,


For instance, they might change the cut for a group every year, so a serial number that ends in 6667 for a lock that was manufactured in 2007, might have a different key cut than a serial number that ends in 6667 for a lock that was manufactured in 2008. But they only purchase huge quantities of limited key cuts.

They mass produce thousands of locks per year and ship them all over the world. Just by virtue of the fact that product is shipped far and wide, that thins the odds of someone actually stumbling upon two bike locks from the same year, that are in the same number sequence group even more.

Add the factors of a occasionally varying the key cuts, the fact that the product is widely dispersed, and that most people aren't going to start randomly trying other bike locks on the street with their key.....than WHO is going to notice.

If it hasn't been noticed by now, than obviously they're system works.

And the serial number information was just an example of how they match the key based on your serial number, not the exact system that they use.

Again, the standard key locks offer more variations in key cuts than the barrel cut keys.

And, I should mention though, some of the their higher end locks did have custom cut keys. But Kryptonite isn't going to burden themselves with the expense of specially cutting keys for mass produced locks.