Joined: Jun 2011
Posts: 6,674
Likes: 26
From: STS
Bikes: Leader 725, Centurion Turbo, Scwhinn Peloton, Schwinn Premis, GT Tequesta, Bridgestone CB-2,72' Centurion Lemans, 72 Raleigh Competition
1973 had the 6 digit dropout only serial, I wouldn't know this but I own a 73 super course.