Joined: Nov 2005
Posts: 4,040
Likes: 2,120
From: NW Ohio
Bikes: 1984 Miyata 310, 1986 Schwinn Sierra, 1987 Ross Mt. Hood, 1988 Schwinn LeTour, 1988 Trek 400T, 1981 Fuji S12-1977 Univega Grand Rally, S LTD, 1973 Sears Free Spirit 531, 197? FW Evans
I don't recall any issues mounting 25 mm Ultra Sports, but I have a pair of 28 mm Hutchinson Nitro tires that have been nearly impossible on every rim I tried. I am afraid to use them on the road, lest I might need to fix a flat.