I went the poor man's route and bought a used Surly 1x1 and put 2.5 inch tires on it. I could put 3 inch tires on it but they come to close to the stays. But 2.5's do a good enough job in the deep stuff. From what I hear 4 inch tires won't get you thru much deeper.
Last edited by scoatw; 02-18-14 at 06:28 PM.