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Join Date: Feb 2012
Location: Rochester, NY
Posts: 18,056
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
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By 1987 many bikes had gone to under the shell guides. Where the chainstay stop is located tells you in the BB guide is above or below the shell. If below what others have said is the way. If the chainstay stop is above the stay then the Bb guide(s) need to also be above. Typically a chrome steel clamp around band. These can have a casing stop (or two) or a inner only guide (or two) or one of each, depending on the front der's cable handling. As always the lack of data prevents complete answers, PHOTO. Andy.