Joined: Feb 2012
Posts: 19,344
Likes: 5,461
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
I would suggest measuring the roundness, or lack of, and thus have a number to refer to. I see ovalized head tubes every so often and I assumed they happen when the frame is dropped and the HT hits first. Andy.
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AndrewRStewart