OSM (Open Street MAP) for GARMIN EDGE520J Review It seems that I can replace the default map of Garmin Edge520J. Default map is not useful for me. Default Map of GARMIN EDGE520J So, I searched a map called OSM.   Here is a one of poplar site: Free maps for Garmin brand GPS devices from OpenStreetMap http://garmin.openstreetmap.nl/ … Continue reading Open Street Map for GARMIN EDGE520J Review