Joined: Jan 2008
Posts: 23,645
Likes: 1,109
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
I would put a micrometer on the rim and get an accurate measurement first. I use Sheldon's guidelines on tire widths, and have not exceeded them (maybe others have). 27 1/8 tires are readily available.