From BikeIndex.org
REGISTER YOUR BIKE
It’s simple. Submit your name, bike manufacturer, serial number, and component information to enter your bike into the most widely used bike registry on the planet.
ALERT THE COMMUNITY
If your bike goes missing, mark it as lost or stolen to notify the entire Bike Index community and its partners.
THE COMMUNITY RESPONDS
A user or partner encounters your bike, uses Bike Index to identify it, and contacts you.