Originally Posted by
tobukog
I don't know how much you weigh, but I've run my tires on rollers as low as 30psi to increase resistance.
I'm running 19mm tubulars on my pursuit/tt track bike. Anything below 140psi (the min psi rating for the tires) and its almost unridable...like riding in oatmeal, squishy. I prefer my trainer experience to feel as close as possible to the real feel. At 30psi they would virtually feel flat! :-)