Originally Posted by
andyprough
Yup it works. It would take a criminal 2 tools to defeat both kinds of locks, so they are more likely to move on to an easier target. If you are in a high crime area, you should get a strong cable to go with your U-lock, and lock down your seat post as well.
Angle grinder works just fine on a U-lock and cable locks. And it'll do a number on a wheel, too. And, yes, depending on where you lock up in Chicago, and when, and for how long, and how nice a bike you have, there are thieves who will cut a wheel to steal a bike.