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Simplex RD woes.....

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Simplex RD woes.....

Old 04-01-11, 09:18 AM
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Simplex RD woes.....

https://s246.photobucket.com/albums/g...rand%20Sports/


I have a worn out Simplex RD on this bike. I have few decent rd's but none of them fit the dropout hanger. Another BF member said that this has Zeus drop outs. I can't post better pics right now, but I was wondering if anyone knew if these would be French threads and if a Huret rd might fit?

Thanks in advance!!!
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Old 04-01-11, 10:31 AM
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Thumpic, bad link on the photo.

You can try this one if you twist my arm hard enough.

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Old 04-01-11, 10:55 AM
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Do yourself a favor:

https://cgi.ebay.com/Suntour-ARX-rear...item2c5bc525cb

https://cgi.ebay.com/VINTAGE-SUNTOUR-...item2562092b6a
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Old 04-01-11, 02:35 PM
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Thanks PastorBob!!! That's very generous!! Sorry my link is bad; I'll fix it when I get home.

However my rd screws in to the drop out w/o a hanger. I'll be sure to post a pic of the drop out.

BBM...thanks for the suggestion.

I was thinking Huret because of the supposed French threading. Do either of you know if Raleigh used that threading on the bikes with Simplex components?
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Old 04-01-11, 03:03 PM
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Thumpic. There was a thread a while ago concerning Huret on Simplex dropouts. You might check the archives. No expert myself, but I don't think it'll fit without an adapter of sort or maybe not even with that. I think you can remove that hanger and use the old bolt from yours and mount a new one.

Zeus drop outs?...on a Raleigh ?........ is this the April Fool's part???
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Old 04-01-11, 03:13 PM
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If it's the forged Simplex DO (as on a PX10), you would have to drew it to accept a Campy style DR.
Simplex DO's were made to take Simplex DRs, and you really don't want to grind it.

Someone did that to one of the Project bikes in my queue, and it is devalued as a consequence
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Old 04-01-11, 03:28 PM
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OOps. what I meant was, use PastorBob's replacement by removing the hanger off that derailleur and using your attachment bolt. DON'T grind the dropout hanger!
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Old 04-01-11, 04:32 PM
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https://s246.photobucket.com/albums/g...rand%20Sports/

this link should work.......and here are pics of the issue...
Attached Images
File Type: jpg
001.jpg (100.9 KB, 7 views)
File Type: jpg
003.jpg (99.8 KB, 9 views)
File Type: jpg
004.JPG (78.9 KB, 7 views)
File Type: jpg
005.JPG (80.7 KB, 7 views)
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Old 04-01-11, 09:02 PM
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Originally Posted by rootboy
Zeus drop outs?...on a Raleigh ?........ is this the April Fool's part???
No, in the early 70s Raleigh used Zeus dropouts on the Super Course and Grand Sport frames.

A Simplex mech should work fine on a Zeus dropout -- it doesn't use the threads in the dropout but is held in place by the Allen bolt threaded in from the back.
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Old 04-01-11, 09:24 PM
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Originally Posted by auchencrow
If it's the forged Simplex DO (as on a PX10), you would have to drew it to accept a Campy style DR.
Simplex DO's were made to take Simplex DRs, and you really don't want to grind it.

Someone did that to one of the Project bikes in my queue, and it is devalued as a consequence
This statement is not totally correct. There were later Simplex forged DO that were threaded to also work with other derailleurs. I have one on my Lejeune tandem which is using a Shimano 600 rear derailleur. You are correct that you do not want to grind it.
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Old 04-02-11, 05:51 PM
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Originally Posted by CV-6
This statement is not totally correct. There were later Simplex forged DO that were threaded to also work with other derailleurs. I have one on my Lejeune tandem which is using a Shimano 600 rear derailleur. You are correct that you do not want to grind it.
So these are not bizarre French threads?? Modern common brands can be had that fit??
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Old 04-03-11, 10:32 AM
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WOOHOO!!! I searched a little harder and found an old Mountech rd....before you start; depending on what you read this can self destruct at any moment.......but I'll give it a whirl.......
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Mountech.jpg (93.5 KB, 2 views)

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Old 04-03-11, 11:00 AM
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Originally Posted by CV-6
This statement is not totally correct. There were later Simplex forged DO that were threaded to also work with other derailleurs. I have one on my Lejeune tandem which is using a Shimano 600 rear derailleur. You are correct that you do not want to grind it.
Originally Posted by Thumpic
So these are not bizarre French threads?? Modern common brands can be had that fit??
I think the bold italic part of the original post answers that question.
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Old 05-10-11, 08:14 AM
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update.....found a Raleigh branded RD in another pileo'stuff and it works flawlessly.............
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