I would trade my '81 gazelle and '71 corky for a late 1970s De Rosa. In a heartbeat and I would go through great lengths and cost to put 1st gen Super Record parts on it. That would be my golden era grail I think.
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1 Super Record bike, 1 Nuovo Record bike, 1 Pista, 1 Road, 1 Cyclocross/Allrounder, 1 MTB, 1 Touring, 1 Fixed gear