Schwinn used this standard size until the 1950s, at which time they promoted their own unique size just as they did with the middleweight tire.Schwinn’s lightweight size adopted the designation of S-5 or S-6, and their tires were labeled as fitting those rims exclusively.
It was hard rubber strapped to the rim with a wire that was inserted through its center.
This tire did not offer a cushy ride, but it was at least reliable as it could never get a flat.
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While being of the clincher variety, Schwinn’s balloon-tire differed in its addition of a metal wire inside the beads and the elimination of extra rubber between them. Furthermore, it was necessary to apply a separate rubber strap over the spoke nipples on the rim to protect the inner-tube.
Such tire technology is still used today on modern cruisers as well as on BMX and mountain bikes.Trailer King Tires are manufactured to provide a high standard in safety, reliability and comfort.Trailer King delivers everything the RV owner looks for – from an expansive ST Radial size line up to a value proposition that’s hard to beat. Our high-quality ST radials fit the everyday RV owner’s camping needs. Blown tires can tear through propane and electrical lines near the wheel wells, rip through the floors above the tire wells, tear apart the sidewall fiberglass around the wheel wells, and strand you on the side of the highway for hours!Some RV trailer tire blowouts have even caused catastrophic fires due to pressurized gas lines that ruptured and ignited in the process of the tire failing.Dunlop patented his idea, but it was later declared invalid due to Thompson’s earlier patent. It was glued to the rim, which had a mounting surface that was dished to hold the tire in place.