Xc winter race fatbikes choice? Forums › Mountain Bike Forum › Xc winter race fatbikes choice? Tweet Add to Flipboard Magazine. Tagged: 27.5, race, XC Viewing 0 reply threads Author Posts October 26, 2016 at 12:21 #199806 BingoBob Looking into 27.5 x4 wheel options. Farley or Suzi Q for groomed single-track and winter xc racing. Any suggestions? Author Posts Viewing 0 reply threads You must be logged in to reply to this topic.