max tire size?

[kcorriga@together.net]

I am getting ready to replace my OEM rim protectors. One of the tires that looks like it would suit my needs is the Chen Shin C760. It is patterned after the Metzler Unicross and only comes in 5.60x17 rear and 3.25x21 front. Will I have any interference problems? Has anyone ever used these? Are they DOT approved? I have the Kenda 270s on "Little Thumper" and am pretty happy with them but would like something that will clear the wet clay soil we have around here a little better, and still be road worthy. These are my second choice. Thanks K.C. Y2K A14 'Big Green F*#%#er" 1973 Yami RT3-360 "Little Thumper"