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
Need to go to a bike shop immediately before you damage the seat tube, or get a wrong size post stuck. This is worth spending $10 at your local shop. Treat them nice, and they might measure it for free.