Originally Posted by
Jim Kukula
Outside magazine, Feb 2012 pp 67-73, has an article on bike theft, "Who Pinched My Ride?"
One tid-bit: "You should spend about 10 percent of the total cost of your bike on security".
That tidbit seems downright silly to me. Indyfabz and Prathman's comments illustrate why.
Also it is extremely location specific. In some cities I have seen locks that were in my estimation worth more than the bikes they were protecting. Strangely in that location it might even have made sense. In other places the same lock would be overkill for even a much nicer bike.