In this Saturday, Feb. 11, 2017, photo a fat tire bicyclist rides on a cross country ski trail during a race at the Sugarloaf ski resort in Carrabassett Valley, Maine. Gone are the days when cyclists had to hang up their bikes the winter. These days, many of them are grinding through winter&amp;#x2019;s snow and spring&amp;#x2019;s mud thanks to trendy new &amp;#x201c;fat bikes&amp;#x201d; with extra wide tires. Photo: AP Photo/Robert F. Bukaty 
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