Originally Posted by Flak
If you have a chain lock or braided cable lock....aren't they both quickly beaten by a decent pair of bolt cutters and trench coat?
It was my understanding that u-locks were superior? (ones without the circular key that is)
Regular chains like you find at the hardware store and used to be commonly used for bikes, yeah. They're basically worthless.
We're talking about a different kind of chain, like these:
http://lockitt.com/chain.htm
Two advantages they have over U-Locks:
1. They're flexible and therefore practically impossible to pry apart. It takes heavy equipment to do so, but U-Locks can be pried or bent. Pro bike thieves know how to do this.
2. It's easier to lock up both wheels and the frame