Fat bikes have huge oversized tires that enable the rider to ride in deep snow or icy terrain by providing greater stability than the typical bicycle. Yes, you can now bike in the snow! To help encourage biking in the winter, there is a Snow Bike Festival in Europe. But will be fat biking catch on? The U.S. (especially Alaska) has had “blizzard” bike tires since the 1980s. More than 30 ski resorts in the Alps offer fat biking as an activity.