Originally Posted by
NOS88
Te professional thief is going to get your bike no matter what you do, that is, if he or she wants it. The casual, walk by and snatch thief is the one locks and security bolts will deter. It can't hurt for the later.
I always relate bike security to the theory of "You don't have to be able to out run the bear, just your friend". If you make your bike more difficult to steal than the one next to it, chances are the thief is going to go for the much easier target.