Joined: Jan 2008
Posts: 23,639
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
Just go to the vintage Trek site and look up the component codes for the date. Just pick a component or two that you think is original to the bike. Everything from brake calipers and seat posts to derailleurs and crankarms will have these codes.