Originally Posted by tjspiel

It's generally late November or December before I switch. Once we get a significant snowfall, a heavy dose of freezing rain or something like that. A little snow that sticks in the grass a bit but nowhere else I don't worry about.

Damp roads can end up with little thin icy patches on them in the mornings this time of year. I don't bother switching for that. I'll just ride more carefully.

Once the studs go on for the season, they pretty much stay on until late March or April.