I went from a (heavy) steel gravel bike running 700x42mm tires to a carbon fiber bike (frame, fork, stem, bars, wheels) with 700x38mm tires. There's such a vast

I went from a (heavy) steel gravel bike running 700x42mm tires to a carbon fiber bike (frame, fork, stem, bars, wheels) with 700x38mm tires. There's such a vast difference in comfort on gravel roads that it's difficult to fully quantify. I still ride a titanium road bike, because it's plenty fast and I'm not as interested in comfort on those rides.