Whichever lock you go with, make sure it can loop around your lock-up point—a bike rack, a secure fence—and through the triangular part of your bike frame, plus the spokes of your rear wheel. The photo above shows this method. Don’t forget to remove accessories before you leave your bike.
Thread the lock through the loose points. Bikes are easy to disassemble, so make sure you thread the lock through the rear triangle in the frame, as shown above, and that both wheels are secured to the lock-up point. It’s very easy for thieves to steal an unsecured front wheel, especially if the wheel has a quick-release → Continue reading at Wired Magazine