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
I usually use 27 1/8 or 27 1/4 tires on that size rim. You can buy them all over. I tend to get mine at Niagara Cycle, but I usually stock up to mitigate shipping cost.