^^^
+1
I even advocate two extra wheelsets in extreme climate areas that can vary significantly day-to-day like the Rocky mountains or northern midwest areas. I have one set with Nokian Extremes 294s for seriously bad conditionsor seriously icy conditions, but they will slide around on bare, dry asphalt to the point that they can be dangerous, and they have extremely high rolling resistance,especially when climbing. Another set has Nokian Mount and Ground 160s for less extreme condtions and most road use because they have far less rolling resistance and slide around less on dry asphalt, and if I don't change them on dry days I don't feel like I'm riding into a 25mph headwind when I actually have a 10mph tailwind.