Have you checked out the Kickstarter project Lock8? This is a full proof locking system for your bike that I was impressed with so of course I wanted to share with you. It is a keyless, alarm secured lock that works with the GPS on your smartphone to lock and locate. It even has attack sensors that will set off an alarm if your bike is being stollen and send an alert to your phone to warn you. Great job Lock8!! Check out their video on Kickstarter!
If you’re looking for a lock, check out their website!