Bicycle Mechanics - Ultegra front derailleur problem
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05-19-07, 08:08 PM
I am having problems with my ultegra derailleur. I can't figure out what I did wrong with the set up. The cable keeps getting stuck on the side of the derailleur and preventing me from shifting in the the large chain ring (picture 1). I know that the limit screws are not the issue and the shifter is fine. Also the shifter is set up correctly. When I keep the cable from catching on the side of the derailleur it shift fine. I am not sure if the cable is supposed to sit behind the round part in picture 2. I looked on the Park page and the Sheldon Brown page and haven't found the answer. I included 3 pics. If you can see what I did wrong please let me know. I know it must be something simple that I just missed. Thanks
05-19-07, 08:10 PM
you're routing the cable into the bolt the wrong way. it needs to go up the back and over that lip, then down into the bolt/clamp
05-19-07, 08:13 PM
and make sure it goes OVER the little lip on the back near the bolt, then down into the bolt. otherwise it wont work correctly into your big ring
05-19-07, 08:22 PM
Thanks! I knew I was just missing something. It makes perfect sense now. I can't believe I didn't think of that.
05-19-07, 08:24 PM
ah, no worries, I've routed that cable wrong a good number of times... always frustrates me in the shop
05-19-07, 09:49 PM
This is such a common problem there should be an FAQ for it. Proper routing of the cable isn't obvious and, in fact, the tab looks like it should be a cable retainer.
Shimano's installation instruction sheet shows the proper cable routing but doesn't really emphasize it nearly enough.
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