This is the new tire from FatBack. It is made for them by Vee Rubber.
4.25? on a 70mm rim , 120 tpi casing, Kevlar bead.
Weighs in at 1300 +/- grams.
Silica rubber compound for improved rolling resistance.
FatBack is right here in Bend, so if we show that we are out of stock, we can still get them right away...