Originally Posted by
qclabrat
I'm seen you're pics a number of times and this one is great like the others. Always associate FBNs with you. Currently also run FBNs on a full rigid 29+, they run small, more like 2.6 on Dually rims. For your fatbike what's the width on the FBNs and on which rims? Interested in the 27.5x3.5 FBNs but hope they don't size down as much as the others. Width doesn't concern me as much as BB drop as most of my riding is on rocky single track. I'll be on 80mm Mulefuts but think the 27.5 FBNs maybe better matched with Hugos or a rim closer to 60mm.
Thanks!
You make a good point, FBN run narrower than advertised. I think my 26x4 tires measure at 3.7" mounted (12 psi) on stock Marge Lite rims (65mm). We agree - the wide would be concerning for riding soft surfaces (sand or snow), but for hard packed conditions, that .3" isn't a big deal.