Originally Posted by
casey86
Here is a pic of the tire where it says inflate to 43 PSI so I guess that is what they want it to be at.
I said earlier that 43psi was an odd number for a pressure guideline. I now retract that. 43psi is equal to 3 kpa, and I suspect that the tire maker simply converted from the metric without any rounding. In any case, that's a low rating and most decent tires of that size are rated for higher pressures, more between 4 and 5kpa, or about 60-70psi.
Next go round, try for one of these higher pressure rated tires.