Originally Posted by Riveting

Increasing comfort is definitely a very personal thing, as is increasing efficiency at the cost of comfort. At 185-190 lbs, I currently keep the 30 's at 80 psi, 28's at 85 psi, 25's at 95 psi, and the 55 tubeless at 22 psi! 110 psi for 28's sounds a bit high. Wider tires are definitely worth considering if energy efficiency during longer rides is not an issue, as well as not caring about going a bit slower.