Is anyone aware of r21 all terrain tires? I've check with a few manf., but it seems most have 20 or 22.

I came across this picture, which looks like Toyo Open Country on the 21" 10-spoke. Unfortunately, Toyo said they do not make a 21". My guess is the wheels are powder-coated 20" 10-spoke.



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That is going to be a tough nut to crack. I was about to say Atturo but they have nothing to offer either.