Joined: Jan 2008
Posts: 23,642
Likes: 1,106
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
1801 = 180th day of a year ending with a 1, it is a 1981. Ignore the serial number, just look at the Schwinn catalogs from 1981, they are all on line.