Joined: Feb 2012
Posts: 19,352
Likes: 5,470
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
The danger is greater when the top of the steerer is below the stem's top by so much that the steerer is also below the top pinch bolt. With a metal steerer less a concern then with a carbon steerer. It was the introduction of carbon steerers that the "steerer above the stem and add a spacer to allow the preload cap to not bottom out" began to be the way. Andy
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AndrewRStewart