Joined: Feb 2012
Posts: 19,339
Likes: 5,451
From: Rochester, NY
Bikes: Stewart S&S coupled sport tourer, Stewart Sunday light, Stewart Commuting, Stewart Touring, Co Motion Tandem, Stewart 3-Spd, Stewart Track, Fuji Finest, Mongoose Tomac ATB, GT Bravado ATB, JCP Folder, Stewart 650B ATB
1" races are either 26.4 or 27.0 in ID, 1 1/8" are 30mm. So a pipe with slightly larger ID would be what I would look for, but I won't be doing that research for you.
The trick is to either have the end of the pipe a rather close fit and square ended so it contacts the very top of the race, above the ball track or bevel. or to be loose a fit enough to slide down onto the ball track or bevel but then have a rounded corner between the pipe's ID and its face. Some people have used PVC pipes for this which would have less chance to mar surfaces when driving the race down. Andy (who has used bench vise jaws or a huge adjustable wrench jaws for this when in a pinch)
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AndrewRStewart