Fat tire bikes a hot item for mild winter A mellow winter has made this an ideal year for many to take up fat tire bicycling, but trails are the gateway needed to introduce outdoor enthusiasts to the sport. A newly developed trail at the Prairie Woods Environmental Learning Center near Spicer and a new fleet of rental flat tire bikes is helping introduce people in west central Minnesota to it. 9:00 am, Jan. 24, 2021 × Fat tire bicyclists ride the trails Tuesday afternoon at Prairie Woods Environmental Learning Center in Spicer. Erica Dischino / West Central Tribune SPICER, Minn. — Ever since she was a senior in high school, Bonnie Hauser has embraced Minnesota winters by enjoying them on her cross-country skis.