one of the things I am learning is to watch for dips and potholes in the middle of the road and you suddenly get that "bump" up your bum.
The only time I scrapped the rear was backing into a parking spot, but I imagine ferry ramps and steep driveways might be an issue. Might need a spotter.
Rodger 2018 M3W "Dreamers on the Rise" 2004 Plus 8 (wife's) old Goldwings and a couple of Harleys