Originally Posted by
huie
I just finished cycling South Americ south to north and now I'm cycling across Canada east to west. I used and am currently using 700*35 Marathon XR tires. I went through over a thousand km of ripio on them and while not ideal they held up.
I've got the same (700 x 35) and have managed to get from Alaska down to Peru so far. I suspect they will get me down to Ushuaia OK.