Joined: Jan 2008
Posts: 23,642
Likes: 1,107
From: Mans of NC & SW UT Desert
Bikes: 86 Katakura Silk, 87 Prologue X2, 88 Cimarron LE, 1975 Sekai 4000 Professional, 73 Paramount, plus more
Schwinn used 1010 on the very bottom bikes, then 1020 for bikes up a step from there. My 1981 Giant built Schwinn Traveler is 1020. Might have just been the difference between imported and US built bikes? I don't know.
Then they jumped to the 4130 cromoly or similar for the next step up.
Last edited by wrk101; 03-21-09 at 01:32 PM.
Reason: clarification