Studded Tires go on when temps average below 40 degrees. Even if there is a chance of a single small patch of ice on a half hour ride I want to have the studs on.

For some it's not so much for regular trekking through deep snow as it is preventing the front wheel or entire bike flying out from beneath you in less then a seconds time due to ice. It happens fast. I've only had a couple days with ice so far and have had my new Nokian 296's on for about a month now. Humming along.. sounding like sizzling bacon on dry pavement. Confusing to pedestrians.. that's for sure.

Better safe then sorry.. and stop whining about the rolling resistance. The girls down at the Gym in spin class are probably working harder then you are.