Both are 700x23, clincher, folding. Price is per pair.
GP4000S - $64 shipped
http://www.probikekit.com/display.php?code=Y0072
Ultremo R1 - $58 shipped
http://www.probikekit.com/display.php?code=Y0063
GP4000S - $64 shipped
http://www.probikekit.com/display.php?code=Y0072
Ultremo R1 - $58 shipped
http://www.probikekit.com/display.php?code=Y0063