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On Topic! FD-7200 derailleur and RD-7400 derailleur the same group?



 
 
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  #1  
Old May 22nd 20, 01:58 AM posted to rec.bicycles.tech
Sir Ridesalot
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Posts: 4,912
Default On Topic! FD-7200 derailleur and RD-7400 derailleur the same group?

The topic line says it all. Ar the FD-7200 derailleur and RD-7400 derailleur the same group?

Or would a rear derailleur have a RD-7200 number in order to be of the same group?

These are Dura Ace derailleurs.

Cheers
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  #2  
Old May 22nd 20, 04:14 AM posted to rec.bicycles.tech
AMuzi
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Posts: 11,714
Default On Topic! FD-7200 derailleur and RD-7400 derailleur the same group?

On 5/21/2020 7:58 PM, Sir Ridesalot wrote:
The topic line says it all. Ar the FD-7200 derailleur and RD-7400 derailleur the same group?

Or would a rear derailleur have a RD-7200 number in order to be of the same group?

These are Dura Ace derailleurs.

Cheers


RD7400 is the 1st generation New Dura Ace SIS-Six.
FD7200 is the prior series, Dura Ace EX. Nice product, works
fine, doesn't match.

--
Andrew Muzi
www.yellowjersey.org/
Open every day since 1 April, 1971


  #3  
Old May 22nd 20, 04:58 AM posted to rec.bicycles.tech
Sir Ridesalot
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Posts: 4,912
Default On Topic! FD-7200 derailleur and RD-7400 derailleur the same group?

On Thursday, 21 May 2020 23:14:15 UTC-4, AMuzi wrote:
On 5/21/2020 7:58 PM, Sir Ridesalot wrote:
The topic line says it all. Ar the FD-7200 derailleur and RD-7400 derailleur the same group?

Or would a rear derailleur have a RD-7200 number in order to be of the same group?

These are Dura Ace derailleurs.

Cheers


RD7400 is the 1st generation New Dura Ace SIS-Six.
FD7200 is the prior series, Dura Ace EX. Nice product, works
fine, doesn't match.

--
Andrew Muzi
www.yellowjersey.org/
Open every day since 1 April, 1971


Thanks Andrew.

I also have what appears to be a RD-7200 derailleur but it doesn't have a # on it.

Cheers
  #4  
Old May 22nd 20, 02:33 PM posted to rec.bicycles.tech
AMuzi
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Posts: 11,714
Default On Topic! FD-7200 derailleur and RD-7400 derailleur the samegroup?

On 5/21/2020 10:58 PM, Sir Ridesalot wrote:
On Thursday, 21 May 2020 23:14:15 UTC-4, AMuzi wrote:
On 5/21/2020 7:58 PM, Sir Ridesalot wrote:
The topic line says it all. Ar the FD-7200 derailleur and RD-7400 derailleur the same group?

Or would a rear derailleur have a RD-7200 number in order to be of the same group?

These are Dura Ace derailleurs.


RD7400 is the 1st generation New Dura Ace SIS-Six.
FD7200 is the prior series, Dura Ace EX. Nice product, works
fine, doesn't match.


Thanks Andrew.

I also have what appears to be a RD-7200 derailleur but it doesn't have a # on it.

http://velobase.com/ViewComponent.as...e-f3b440275c83
--
Andrew Muzi
www.yellowjersey.org/
Open every day since 1 April, 1971


  #5  
Old May 22nd 20, 03:24 PM posted to rec.bicycles.tech
[email protected]
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Posts: 517
Default On Topic! FD-7200 derailleur and RD-7400 derailleur the same group?

On Friday, May 22, 2020 at 6:33:43 AM UTC-7, AMuzi wrote:
On 5/21/2020 10:58 PM, Sir Ridesalot wrote:
On Thursday, 21 May 2020 23:14:15 UTC-4, AMuzi wrote:
On 5/21/2020 7:58 PM, Sir Ridesalot wrote:
The topic line says it all. Ar the FD-7200 derailleur and RD-7400 derailleur the same group?

Or would a rear derailleur have a RD-7200 number in order to be of the same group?

These are Dura Ace derailleurs.


RD7400 is the 1st generation New Dura Ace SIS-Six.
FD7200 is the prior series, Dura Ace EX. Nice product, works
fine, doesn't match.


Thanks Andrew.

I also have what appears to be a RD-7200 derailleur but it doesn't have a # on it.

http://velobase.com/ViewComponent.as...e-f3b440275c83
--
Andrew Muzi
www.yellowjersey.org/
Open every day since 1 April, 1971


I think at that time Shimano was copying Campy. The 7400 was their first original group where they tried their own original engineering design. They've advanced on Campy ever since.

Not to knock Campy since I've almost always opted for them but I always had the idea that Shimano engineered things while Campy were more artists what made a whole lot of engineering blunders.

I'm waiting for Shimano to get their heads out of their ass and use a screw mechanism for shifting rather than a ratchet as they originated in the first brifters. That way they could make a straight run for the cables and a totally rebuildable mechanism.
 




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