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Recreational Cyclocross and Gravelbiking This has to be the most physically intense sport ever invented. It's high speed bicycle racing on a short off road course or riding the off pavement rides on gravel like :The Dirty Kanza". We also have a dedicated Racing forum for the Cyclocross Hard Core Racers.

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Old 03-27-09, 09:07 AM   #1
Tormoza
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Top-pull derailleur problem solver?

Hi,

I'm putting together a Fondriest aluminum cross bike and only now -- as I started trying to hook up a Dura-Ace front derailleur I had -- did I notice that I simply couldn't get the thing to work right. The cable routes along the top tube and then down the seat tube. After puzzling over angles and generally being confused, it slowly dawned on me that, geez, maybe this just wasn't meant to work.

I didn't know there were top- and bottom-pull front derailleurs. Now I know. What I'd like to know is, does anyone know of any sort of problem-solver part that would allow me to use my bottom-pull with the current cable routing? I'm thinking of some sort of frame clamp that would have a semi-circular cable guide around which the cable would wrap and then attach to the derailleur from below.

TIA.
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Old 03-27-09, 09:44 AM   #2
isotopesope
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i'm surprised there's not a little boss towards the bottom of the seattube for a pulley to screw into. you can get a clamp on one here:

28.6 to 31.8:
http://cyclocrossworld.stores.yahoo....clamwitpu.html

34.9:
http://cyclocrossworld.stores.yahoo....ipu34news.html
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Old 03-27-09, 09:51 AM   #3
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Quote:
Originally Posted by isotopesope View Post
i'm surprised there's not a little boss towards the bottom of the seattube for a pulley to screw into. you can get a clamp on one here:

28.6 to 31.8:
http://cyclocrossworld.stores.yahoo....clamwitpu.html

34.9:
http://cyclocrossworld.stores.yahoo....ipu34news.html
Excellent -- just what I was looking for. Thanks!
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