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Old 12-26-11, 04:01 AM   #1
roashru
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manual front derailleur

hello everyone, i have an old hi-ten bicycle i think would be better with a manual front derailleur i know i can brase it its a 110 spindle mountain triple crank road frame any input will help.

Last edited by roashru; 12-26-11 at 04:07 PM.
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Old 12-26-11, 04:07 PM   #2
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reach down lever type front derailleur
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Old 12-26-11, 07:09 PM   #3
unterhausen
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not sure what help you want, I only know of one built in recent years, and it was mostly for show. I really doubt you are going to be happy with one on a triple, any pushrod FD has limited range. And they usually stink anyway
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Old 12-26-11, 08:37 PM   #4
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I don`t think those have been made commercially for... 40 years? 50? Being that I`ve never had the opportunity to use one, I can only suspect that Unterhausen is right about them not working very well, and probably even less on a triple.
On the other hand, they sure look cool! Do you plan to build one? If you do, please post how you go about it. Personally, I`d love to have one.
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Old 12-30-11, 11:13 AM   #5
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unterhausen, do you know of any photos of that front derailleur set up?

rodar y rodar, your correct a lever type front derailleur hasnt been done in bicycle racing in way many years.

i have some old photos i would have to dig up if anyone wants to see one. the whole assembly is brazed to the seat tube with a thumb lever on a metal rod the action looks push and pull. what im looking for is more info on these without starting from scratch.

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Old 12-30-11, 03:25 PM   #6
rodar y rodar
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Hone your skills on that one, then you`ll be ready to tackle a rod shifter for the rear.
http://www.google.com/search?q=cambi...og&sa=N&tab=vi

A few years ago, I saw a killer video of a guy shifting Cambiocorsa and Roubaix systems while riding. Very well done and a lot of fun to watch. Now I can`t find it- does anybody have a link for it?

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Old 12-30-11, 03:49 PM   #7
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Quote:
Originally Posted by roashru View Post
unterhausen, do you know of any photos of that front derailleur set up?
pdf warning: link

You may be able to find more pictures from NAHBS
You can see more period examples if you search for French bikes on ebay or on flickr


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Hone your skills on that one, then you`ll be ready to tackle a rod shifter for the rear.
http://www.google.com/search?q=cambi...og&sa=N&tab=vi

A few years ago, I saw a killer video of a guy shifting Cambiocorsa and Roubaix systems while riding. Very well done and a lot of fun to watch. Now I can`t find it- does anybody have a link for it?
I have an ambition to make a cambio corsa bike, but the dropouts are hard to find. I have thought about trying to build a broach to make them, but that would be a little tricky
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Old 12-30-11, 04:51 PM   #8
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^^Don`t you think they could be just filed in? I think the tough part would be the pinion on the axle.
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Old 12-30-11, 05:02 PM   #9
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there are hubs and other parts out there to be found, the frame parts are not so easy to find. I guess you could lay them out carefully and file them, I'm not that obsessive. Waterjet might work though
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Old 12-30-11, 05:12 PM   #10
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Roashru, you might enjoy the pics on this site:
http://www.theracingbicycle.com/Preservation.html
Quote:
Originally Posted by rodar y rodar View Post
A few years ago, I saw a killer video of a guy shifting Cambiocorsa and Roubaix systems while riding. Very well done and a lot of fun to watch. Now I can`t find it- does anybody have a link for it?
It seems to be "off the air". I found the rbr post where I had originally gotten that link- it was on wooljersey, which disappeared. No more WJ website, or is it just my computer?
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Old 01-06-12, 09:50 PM   #11
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nice good input info on lever derailleurs this should be better documented in the bicycling community. i look at it as an option i will worry about the efficiency later.
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Old 01-09-12, 03:05 AM   #12
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I am building a 30's style bike in the near future. I am thinking about using some home-made derailleur system also. 'should be fun!
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