Just cycled the West Coast route in Denmark in November ±600 km with quite a bit of rain. If it rains all day, then with two rolls the bag is quite damp. My rear ortliebs didn't suffer from anything.
Ideal solution for some extra space as I don't have room for a frame bag (above the drink cans)
Ideal solution for some extra space as I don't have room for a frame bag (above the drink cans)