I just finished a >6,000 mile motorcycle trip. I used a rebadged Garmin (BMW Navigator VI). I have a vibration-reducing mount (quad lock) for my phone. I neve

I just finished a >6,000 mile motorcycle trip. I used a rebadged Garmin (BMW Navigator VI). I have a vibration-reducing mount (quad lock) for my phone. I never use it. Reasons: * Phone interfaces (maps, almost any app) are designed to have your full visual attention. They don't mind changing (zoom levels on maps, the evil bastards) to look more interactive. * A specialized GPS will have its interfaced designed for "glance interactions." You peek at it, then go back to riding. If you have to touch something, you'll poke it with a high error rate, and the interface has to not completely screw up. That means keeping the "stop navigating" button far away from the "find next gas station" button. * As you said, physical concerns: vibration, heat, cold. * The GPS is mounted to be pretty theft proof. Phones you always have to take with you. * With gloves, the touch screen is only 4x as large as my thumb. The only people I see successfully using it have cut the thumb and forefinger off their gloves. Edit: modern touring bikes usually have either a GPS mount, their own GPS system, and/or carplay/android auto.