Originally Posted by
ehcoplex
IMO/E, tire size, inflation & suppleness (quality) can have far more to do with how 'harsh' a bike feels than frame material. My old Cannondale felt awful with the (cheap) 28c tires that were on it when I got it. Shoe-horning some Rene Herse Barlow Pass tires (38c, 45psi....$$$) on it was transformational in terms of ride & comfort.
Agreed. I just put together a new bike and am using Schwable One tubulars on it. Incredibly smooth riding tires. And quiet. Its really a totally different experience. Reminds me of the Clement Paris Roubaix tires I had in the 70's, maybe even better.