First, what a name. Who doesn’t love watching Christmas Vacation? Second, black ice is sketchy, so if you’re commuting or riding icy roads in the winter, studded tires make all the difference. These 700×38 tires have 120 studs and will allow for up to 240 to be installed to keep your rubber side down. They’re $95 a piece, so head to your local dealer for ordering and over to Terrene for more information.