Originally Posted by
johnny99
Depends on your road conditions. On a rough road, a higher pressure can cause your bike to bounce around a lot; worsening your rolling resistance and reducing grip in the corners.
and make you slower...
I was helping an Italian tour guide (and amateur racer) fix a flat in Italy ( I provided the pump, first time he saw a Road Morph)
and he started talking about goofy Americans and their love of high pressure. You want just enough, any more and you start making new problems for yourself.