Originally Posted by
10speedBill
What are you trying to accomplish by thin, high pressure tires?
There is a track in Portland, although I'm not sure it has the smoothest of surfaces.
Kenda actually makes a 200 PSI, 22mm Tubular.
Kenda Volare 700 x 22 Tubular Tire Black - Modern Bike
It looks like Continental has a 19mm Tubular rated at 220 psi.
Continental Podium Tire 700 x 19 Black Tubular - Modern Bike
Here are a few 20's (I think).
20 mm Bicycle Road Bike Tires 700x19-28 - Modern Bike
The Vittoria Open Corsa 20 is showing 145 psi. I don't see the pressure ratings on the other tires.