Join Date: Apr 2006
Location: Washington County, Vermont, USA
Bikes: 1966 Dawes Double Blue, 1976 Raleigh Gran Sport, 1975 Raleigh Sprite 27, 1980 Univega Viva Sport, 1971 Gitane Tour de France, 1984 Lotus Classique, 1976 Motobecane Grand Record
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Ishiwata Tubing Revised
Sorry, revising the question from my previous posting. What I'm really wondering is how Ishiwata EX 4130 relates to EX-O, EX-M, etc. T-Mar posted some useful stuff about Ishiwata some time ago but didn't mention EX 4130. The label says EX, then in smaller type below "4130 chrome moly triple-butted frame tubing." The fork (original, I'm pretty sure) is Mangaloy 2001.