Fat Biking Around Boulder: The Perfect Way to Ride Out Winter by Avery Stonich Boulder, CO April 1, 2016 Share on Facebook Tweet on Twitter Send via Email Hard-packed trails are best for fat biking. Avery Stonich Made Possible by Curated by Next Up Previous Frozen Head, the Obed, and Big South Fork: Tackling the East Tennessee Trinity Logan Mahan Next Thru-Hiking the Pinhoti Trail: 7 Insider Tips for Alabama's Premier Trail Marcus Woolf