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Join Date: Feb 2012
Location: Rochester, NY
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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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I have a vague memory of a mixte frame with the twin laterals passing along the sides of the HT and having a flat plate type treatment that wrapped around the HT. Much like a classic wrap around seat stay style we ooh and ahh about.
I would think one would want to keep the laterals fairly close together as they travel from the HT to the ST and then flair out to clear the ST/tire and the chain. BTW it is the chain clearance when the smaller cogs are engaged that can be a challenge to work around. My solution was to have the laterals join with the lower end of the seat stays just above the dropouts, not have the laterals join with the dropouts. Andy
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AndrewRStewart