Join Date: Mar 2006
Location: Montgomery County, Pennsylvania
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You might want to make this post on the Mechanic's Fourm. I suspect the 4130 is the identification for the type of chromoly used in the frame. It was used frequently in the 1970s and 80s, which would match the then popular use of Suntour components.
A conclusion is the place where you got tired of thinking. - S. Wright
Favorite rides in the stable: Indy Fab CJ Ti - Colnago MXL - S-Works Roubaix - Habanero Team Issue - Jamis Eclipse carbon/831