Bicycle GPS Holder Aluminum Extension Computer Bike Stem Mount For Garmin Bryton

For Bryton: Bryton Rider 20, Bryton Rider 21, Bryton Rider 30, Bryton Rider 35, Bryton Rider 40. 1 piece for Bryton Adapter bracket. For Garmin: Garmin Edge 20, Garmin Edge 25, Garmin Edge 500, Garmin Edge 510, Garmin Edge 520, Garmin Edge 800.