In my opinion, Gatorskins are terrible. They feel so stiff that I will never ride them again. The flat protection is not worth it. There are other tires out there with good flat protection and much better ride quality. Armadillos are almost as bad, I don't ride those anymore either.
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1964 JRJ (Bob Jackson), 1973 Wes Mason, 1974 Raleigh Gran Sport, 1986 Schwinn High Sierra, 2000ish Colian (Colin Laing), 2011 Dick Chafe, 2013 Velo Orange Pass Hunter