Bob500 wrote:

But, need advice on this one. Looking at purchasing an Airless Manaco
tire 700x28c for the rear. Anyone have an experience with this type
of tire?

Short answer: Don't.
Long answer: AASHTA URL: http://www.sheldonbrown.com/gloss_a.html#airless

--

Dave Larrington - http://www.legslarry.beerdrinkers.co.uk/
World Domination?
Just find a world that's into that kind of thing, then chain to the
floor and walk up and down on it in high heels. (Mr. Sunshine)