Originally Posted by chimblysweep
i run 26 x 1.25 but every time i was over ~60psi the mini morph would start pushing itself off the valve and leaking. it was the combo of pothole-filled gravel and less-than-ideal pressure that flatted me.
sounds like an issue with the pump head and a candidate for warranty service. One of my teammates on our recent fleche fixed his flat with a road morph. I don't think he was riding tires that needed 120psi, but he was certainly able to pump it beyond 60 without problems.
I use a Zefal frame pump, but it doesn't do the floor pump transform thing that the Topeak Morph is famous for. However, as a frame pump, it's been fine for getting my tires up to 80 psi (which is all that they need).