Bike Tracker (GPS or Bluetooth): will it get your stolen bike back? | The Best Bike Lock
BeeLine - smart navigation for bicycles, made simple by Mark Jenner & Tom Putnam — Kickstarter
Bicycle GPS Tracker — Jason Carley
Hidden inside the bar, Sherlock wants to bring stolen bikes home - Bikerumor
Miles: Your First GPS Bike Computer by Angel.Huang — Kickstarter
Coban Quad Band Bicycle Gps/gsm/gprs Gps Tracker Gps305 Mini Hidden Gps Bike Tracker With Real Time Tracking By Register Mail - Gps Trackers - AliExpress