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Opinions on long cage rear derailleurs - vintage

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Opinions on long cage rear derailleurs - vintage

Old 04-05-11, 08:13 PM
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lakeboy
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Opinions on long cage rear derailleurs - vintage

I've built up my 70's vintage Motobecane Grand Record with a 46/30 TA crankset and a 13/26 rear, running a campy SR RD. This is a bit much gear range on the RD, and I am thinking of switching to a touring RD to give me more capacity. I've narrowed my search to a short list, and am interested in opinions/experiences with the following:

Campy Rally, first and second generation
Simplex SLJ 6600
Sachs Huret New Success

Also, if you have any suggestions on others, let me know. Thanks
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Old 04-05-11, 08:16 PM
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I'm running a Huret ti Duopar and so far I like it a lot. Very smooth shifting and easy to adjust. The ecco is the same as the ti, except plastic cage and sells cheaper.


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Old 04-05-11, 08:28 PM
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Plastic cage? I don't think so. Look at any one that's marked Eco or EcoDuoPar. I think the difference is steel parts versus a few titanium ones.
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Old 04-05-11, 08:35 PM
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I could easily be wrong...and have never seen or used an ecco. I thought I had read here that the ecco used plastic.

Edit - Sorry about that...I had misread a post about the eco. It's steel.

Last edited by KonAaron Snake; 04-05-11 at 08:45 PM.
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Old 04-05-11, 08:44 PM
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I have a ti Duopar on my trek 720 and it shifts great. Also just happen to have one in the for sale thread also if you are interested
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Old 04-06-11, 12:04 AM
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I run a Campy NR with rally cage plates on my tandem 12-34 7 speed with a 28-44-48. I get a lot more life from the Campy than the Shimano Crane GS rear deraileur with this same combo.
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Old 04-06-11, 12:13 AM
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DuoPar would be an excellent choice. So would a Gen I Cyclone GT, though it'd be right at the outer limit of its capacity.
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Old 04-06-11, 12:33 AM
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That is not a huge rear spread. Get yourself a cheap Shimano 600 and there are no worries.
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Old 04-06-11, 12:51 AM
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I have four Suntour V-GT Luxe derailleurs. They can do just about 52-42 front to 36-14 back without problems. They were also marketed as low-end components since the 70's, so they're hella common. I am finding them very durable, almost to the renown of Kalashnikovs.

I got them installed on:
'84 Raleigh Olympian
'78 Raleigh Super Grand Prix
'80 Nishiki Sport
'82 Team Fuji

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Old 04-06-11, 01:31 AM
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Originally Posted by Captain Blight View Post
DuoPar would be an excellent choice. So would a Gen I Cyclone GT, though it'd be right at the outer limit of its capacity.
With a < 29mm hangar the maximum cog for the Cyclone Gt is 32 and with a hangar of 32mm or more the Gt will handle a 34 tooth cog and has a 36 tooth capacity while the OP's set up rates a 29 and does not exceed the derailleurs maximum cog capacity.
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Old 04-06-11, 04:33 AM
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Originally Posted by Captain Blight View Post
DuoPar would be an excellent choice. So would a Gen I Cyclone GT, though it'd be right at the outer limit of its capacity.
I like both of these, too. A Cyclone GT will handle a 34-tooth cog with ease in my experience. It will only be at the outer limits of its capacity with a 26 if you're determined to use the small chainring with the smallest cogs for some reason.
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Old 04-06-11, 05:02 AM
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Originally Posted by Sixty Fiver View Post
With a < 29mm hangar the maximum cog for the Cyclone Gt is 32 and with a hangar of 32mm or more the Gt will handle a 34 tooth cog and has a 36 tooth capacity while the OP's set up rates a 29 and does not exceed the derailleurs maximum cog capacity.
+1
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Old 04-06-11, 05:07 AM
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You should also consider the Suntour Vx GT.
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Old 04-06-11, 05:09 AM
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Originally Posted by jonwvara View Post
I like both of these, too. A Cyclone GT will handle a 34-tooth cog with ease in my experience. It will only be at the outer limits of its capacity with a 26 if you're determined to use the small chainring with the smallest cogs for some reason.
I never was good at math. Sixty fiver is correct--this setup is nowhere near the capacity of the derailleur, and would work even when cross-chained to the max. In my post above, I subtracted 43 from 72 and somehow came up with 35. Oops.
Given the total capacity of 29, I would consider going with a Suntour Vx-S, which is a mid-cage model and has a capacity of 30 teeth, if I remember correctly. This is more than enough. That would free up a Cyclone GT for someone else who needs all of its capacity. (That would be me--I tend to go for the lowest gearing I can get.)
The Suntours are also MUCH more durable than the Duopar, which again would be overkill for this application in terms of its capacity.
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Old 04-06-11, 09:47 PM
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So does anyone have a Rally cage they want to part with? Does anyone have any experience w the 3 rd's I asked about initially?
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Old 04-06-11, 10:06 PM
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Schwinn used a Shimano Crane (early D-A) rebranded as Schwinn-Approved GT-300 Le Tour long cage RD on the seventies P15-9 Paramount which otherwise had an all Campy Record or Nuovo Record drivetrain (36-49-54t triple crank and 14-31t freewheel).

They went with Shimano because they weren't happy with the shifting of either the Campy Gran Turismo or Rally RD.
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Old 04-06-11, 10:21 PM
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I'm a big fan of the Shimano Golden Arrow (long cage) stuff that's on my Motobécane Super Touring.
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Old 04-07-11, 07:42 AM
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Originally Posted by Sixty Fiver View Post
With a < 29mm hangar the maximum cog for the Cyclone Gt is 32 and with a hangar of 32mm or more the Gt will handle a 34 tooth cog and has a 36 tooth capacity while the OP's set up rates a 29 and does not exceed the derailleurs maximum cog capacity.
Did I do the math wrong? I bet I did. Thanks.
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Old 04-07-11, 07:52 AM
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I would use a Cyclone GT. I would prefer the first generation one, but for reasons of practicality would use the Mark II one that I actually have.
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Old 04-07-11, 07:56 AM
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Originally Posted by lakeboy View Post
So does anyone have a Rally cage they want to part with? Does anyone have any experience w the 3 rd's I asked about initially?
I've not owned any of those RDs. All three command pretty high prices on eBay. I've never heard anyone rave about the shifting performance of any Rally so, personally, I'd look to the other two on your list if you're dead-set on one of those three. The long cage Huret Jubilee could easily be added to your list, I'd think. Talk about a sexy mech.

What dropouts does your Grand Record have? How about some pics of that French machine?
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Old 04-07-11, 08:05 AM
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I'd look at the Suntour stuff others have suggested.

I have a very nice Cyclone GT that I use almost every day. My only gripe is one of practicality: it has no built in barrell adjuster. The lower-end stuff does, though, and works at least as well.
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Old 04-07-11, 08:09 AM
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Sorry, it was redundant.
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Old 04-07-11, 09:04 AM
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I'm running a first generation Rally on my Grand Record. It shifts fine once I adjusted the tension spring on it. The original owner had it added at the bike shop along with a Triple Campy crank.

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Old 04-07-11, 09:14 AM
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^ Very nice!
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Old 04-07-11, 09:24 AM
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I run a VXs on my P20 touring bike and was running a 13 - 28 with a 40-52 which it handled flawlessly and have now swapped that to a 13-24 block and my primary touring bike runs a VXgt with an 11-34 and 28-48 and again, works beautifully.

I love the Cyclone GT Mk1 and the Mk2 is pretty much perfect mechanically although if given the choice between a Mk2 and a VX I would take the VX as it looks 10 times better, is more robust, and only weighs a few more grams (if you are counting) and have always loved their performance.

The earlier Suntour GT models are also nice but Suntour really hit their zenith with the Vx and Cyclone series... there is not a friction derailleur that will shift better.

The Cyclone Mk1 is one of the lightest derailleurs ever made and the GT model is lighter than most modern long cage derailleurs... only snobbery kept people from using these instead of Campagnolo on racing bikes and if you are looking for the ulitimate light weight touring derailleur with massive capacity this is it.

Huret Duopars work beautifully and have some nice features like an adjustable pivot but they are based on earlier slant parallelogram designs and are not as long lived as one would like them to be.
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