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Older bike lock question

Old 05-05-18, 02:03 PM
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msweig
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Older bike lock question


I've recently gotten back into riding a bike, and I have two older locks sitting around. Does anyone know if there are any major security flaws with these two? The Kryptonite lock is the one they gave out post the "open the bike lock with a Bic pen shell" fiasco. The chain is an OnGuard I used after that fiasco. Both are in good working order, I just don't know if security flaws have been found in these locks since I last used them. Any ideas?
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Old 05-05-18, 02:14 PM
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CliffordK
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I believe all the round tumbler locks have the same pen flaw, but if yours is the only one on the street, and has a tumbler that is either larger or smaller than the others, it may be reasonably secure from casual cracks.

Not all security chains are the same. On Guard chains should be reasonably good. The Harbor Freight chains just look fancy.

The idea of square links is that they present a flat face to the bolt croppers, and are harder to crop.

The Kryptonite NY lock is pretty much the current "gold standard". Presumably they can be cut, but in theory it takes 2 cuts to get it open far enough to get around a bar the size of the frame or most bike racks.

There was a lock pick video online. And, and experienced person should be able to pick it in less than 5 minutes or so... and without the attention getting sound of an angle grinder.

If you use 2 or 3 different types of security, then it means more tools and skills for a potential thief to have.
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Old 05-05-18, 08:32 PM
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msweig
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Thanks. That helps
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