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Ribble/Ultegra front mech difficulties

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Ribble/Ultegra front mech difficulties

Old 08-21-12, 12:17 AM
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Ribble/Ultegra front mech difficulties

Re: Front derailleur cable problem

Postby StefE » Tue Aug 21, 2012 6:04 am

I have a Ribble New Sportive Racing and I've never been happy with the front derailleur shifting. It is difficult to change up and snaps back violently on changing down because the cable is so, so tight.

I've checked the lever, cables, outer cables, mech etc. and all move fine and smooth and easy, but the tension seems to be coming from where the cable goes through the plastic guide under the BB and then through the frame. The angle seems extreme, something close to 90 degrees and the cable is developing a kink after around 30 mins use. I changed the cable but the same thing happened.

Ribble are sending me a plastic straw insert for the section through the BB shell which they think/say will help but I'm not so sure as it won't change the angle that the cable has to try and bend round. Hopefully it'll arrive today and the problem will magically disappear but I don't think so.

Does anyone have any ideas? It's driving me insane.....thx
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Old 08-21-12, 02:46 AM
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you did check that the fd cable is routed correctly at the fd? over the "leverage tab" next to the pinch bolt ?
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Old 08-21-12, 03:16 AM
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Originally Posted by rideroli
you did check that the fd cable is routed correctly at the fd? over the "leverage tab" next to the pinch bolt ?
Good shout. Welcome to BF, OP and good luck.
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