Here is an innovative kickstarter to combat bicycle theft.
Although there are a few of these on operation and rumors of others, this seems like a good system.

A GPS tracker for bikes that hides behind a water bottle cage.

Track your stolen bike with a smart phone and pinpoint your location. It can also be used by coaches and for riders of competitive teams to keep track of ones performance.
Here is a video explaining the project and f:
Find out more: here.




[...] Kickstarter: Bike Spike-open source GPS tracker for bicycle theft [...]