Joined: Feb 2012
Posts: 19,381
Likes: 5,528
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
A couple of possible issues- Ft Exage ders weren't the best WRT cage shaping and such. Their tiny lever lengths make for less then ideal trimming sensitivity. And they were never intended to have a specific cable pull ratio. The rear der is not likely future compatible by Shimano's reference. Besides it's being designed to only shift across 7 cogs and not the wider 9 of today's low end the pulleys/cage width is pretty big for the skinnier 9 speed chain. Andy
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AndrewRStewart