Bryton Bridge 2 Software
That's annoying. Speed up filevault decryption. Is there anything in the files if you open them in a text editor (at 4kb there shouldn't be much but it might give a clue). I have noticed that Strava processes the data differently to Bryton - I think it calculates the summary stats on the fly whereas Bryton Bridge takes the stats from the computer. My guess is that the file contains only the summary info that the computer calculated hence Bryton Bridge reads the summary and Strava nothing.
We are glad to announce that Bryton Bridge 2 now supports Mac OS X Yosemite. Please specify your device in order to download the corresponding software.
I'd do a hard reset back to factory settings and try again.
Bryton Update Tool
Bryton Bridge software allows you to upload your rides from your Bryton device to your computer via the internet. A DVD with instructions on installation should be included with your device, however the program did not work for me using Windows 7.