Since Bike Tracks V1.2.4 it is possible to backup and restore your rides free of charge on our online cloud storage.
You will need create an account on the Bike Tracks App.
Bike Tracks > Settings > Login
Follow the instructions.
Bike Tracks > Settings > Backup / Restore Rides
Press the synchronisation button (see below)
Once the synchronisation is complete then you should see the message above.
The synchronisation system is a manual process that must be done before re-installing the application.