My slightly off topic 86 Ciocc (Columbus SP, 6-speed Ultegra, indexed) came with Continental clinchers, 19mm and recommended pressure of 150psi. You didn't need to ride them, just pumping them up was plenty of exercise.
marie autrey ridingrabbit@earthlink.net Tucker, Georgia (little country town enveloped by Atlanta) USA 678 296 0847 http://www.ridingrabbit.blogspot.com