Originally Posted by HardWorkingDog
Eggs have a pretty highly evolved packaging system and will stay fresh in the shell for weeks as long as they stay relatively cool.
Yup, what he said
Grocers in many countries do not keep eggs in a refrigerator.
Keeping them intact, off-road on a dual-sport is another matter.
I've only lost a few using the above method (half-dozen eggs in cardboard package, double ziplock, packed in something soft.)
I keep it simple, hard boiled with a bit of Maille Dijon