Originally Posted by
Gene2308
I don't overthink this kind of thing too much. Just get a 32mm with some kind of flat-belt (usually kevlar), inflate it to proper psi, and ride.
You are the one needed to make it fast! Unless you race, worrying about saving a few seconds is absurd.
Those few seconds are the difference between making the green light or not. That could mean a difference of minutes in a commute. That is assuming one stops at stop lights.