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Nuovo Record Rear Derailleur with Roadlink?

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Nuovo Record Rear Derailleur with Roadlink?

Old 07-12-20, 12:34 PM
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Nuovo Record Rear Derailleur with Roadlink?

I have a Nuovo Record rear derailleur from a 1973 bike that I am restoring. Velobase shows that its max cog and chain wrap sizes are both 26T. What can I expect the max sizes to be if the derailleur is used with a Roadlink? Thanks in advance!

"https://www.velobase.com/ViewComponent.aspx?ID=D8DE34D4-C66F-4C8A-AF5B-0EF99D40F702&Enum=108&AbsPos=62"
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Old 07-12-20, 01:04 PM
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I am running mine on 28T cogs on 2 bikes without issue. Not sure about the roadlink but as a short cage derailleur you are going to be constrained by the chain wrap. Even if you can fit a 32 in the back unless you're running a very close ratio chainring setup your chain capacity just wont be taken up.
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Old 07-12-20, 01:32 PM
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Not to increase capacity, but I've been wondering for a while if one could use a NR with a Roadlink, filed down to allow the RD to pivot forward with the parallelogram more horizontal to make the geometry more Crane-esque.... would it word and would it improve performance?
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Old 07-12-20, 01:42 PM
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Seek out a Campag Rally # 3450 .
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Old 07-12-20, 01:49 PM
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I've used a Pat 72 NR with a 32T cog. That was with NR 52/42 up front. Big/big was super iffy, but everything else was fine. Depends on the chain length, position in the dropouts, and of course the length of the hanger. I've got one of those road link hangers but haven't tried it yet.
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Old 07-12-20, 04:43 PM
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Originally Posted by Lascauxcaveman View Post
I've used a Pat 72 NR with a 32T cog. That was with NR 52/42 up front. Big/big was super iffy, but everything else was fine. Depends on the chain length, position in the dropouts, and of course the length of the hanger. I've got one of those road link hangers but haven't tried it yet.
How many speeds?
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Old 07-12-20, 06:36 PM
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Originally Posted by sced View Post
How many speeds?
IIRC, it was a SunTour Perfect 14-32 six speed freewheel.
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Old 07-12-20, 06:40 PM
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I'm wondering if a NR RD + Roadlink + 7sp 14-32 will work
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Old 07-13-20, 12:56 AM
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Originally Posted by sced View Post
I'm wondering if a NR RD + Roadlink + 7sp 14-32 will work
Maybe. What's the chainset up front look like? How confident at determining chain length are you? How much leeway do you have on your drop outs?
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Old 07-13-20, 02:16 AM
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Super Record Cages on a Nuovo Record derailleur will shift 28T with ease.
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Old 07-13-20, 07:55 AM
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Originally Posted by Lascauxcaveman View Post
Maybe. What's the chainset up front look like? How confident at determining chain length are you? How much leeway do you have on your drop outs?
42/52 rings, good at links, Campy horizontal dropouts. - I am willing and able to give it a try, but am wondering if anyone has done this successfully. I could go 30 max at back or a different RD.
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Old 07-13-20, 09:23 AM
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Originally Posted by fietsbob View Post
Seek out a Campag Rally # 3450 .
This AM's eBay asking prices on a Rally are $200 to $450, ouch.
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Old 07-13-20, 09:57 AM
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Originally Posted by tiger1964 View Post
This AM's eBay asking prices on a Rally are $200 to $450, ouch.
Ive got one for a lot less if you want.... What the???? he's right! posting mine now. Less to BF members...
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Old 07-13-20, 10:10 AM
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Regular NR and with horizontal dropouts can handle 14-32t Ultra-6 using 48-42 chainrings. All shifts are good and everything looks PROPER. Axle position is critical.

The Road Link is going to increase the chain gap over the smaller cogs and not in a good way, especially using modern, flexible chains.

Swinging the NR forward to mimic the Crane won't work very well because of the absence of the dropped knuckle (you will lose the ability to clear such a large cog as it swings forward). The Rally with dropped knuckle was made for the job to accommodate a wider gearing range.
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Old 07-13-20, 11:09 AM
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Originally Posted by sced View Post
42/52 rings, good at links, Campy horizontal dropouts. - I am willing and able to give it a try, but am wondering if anyone has done this successfully. I could go 30 max at back or a different RD.
I think 30T should be relatively easy, based on my experience with 32T. But it's hard to guess about any other possible differences in the setup I did with the stuff you're working with. My advice is just give it a try. First without the Roadlink.
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Old 07-13-20, 11:58 AM
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I was stoked to get a 14/28 freewheel working on my 1972 ItalVega for last years Eroica California event. With a pat 72 NR dereailleur and 52/41 front rings everything is happy. I showed Wes who at the time was helping with the event and he told me 32 is possible if you remove the axel stop screws and pull the wheel as far back as you can. I have not tried it but I am tempted as I live on a hill and am now running 28's on a couple of my bikes. The other bike running a 28 just got switched to a patent 82 Super Record and it works perfectly , big to big , no problem.
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Old 07-13-20, 01:56 PM
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Originally Posted by Kabuki12 View Post
I was stoked to get a 14/28 freewheel working on my 1972 ItalVega for last years Eroica California event. With a pat 72 NR dereailleur and 52/41 front rings everything is happy. I showed Wes who at the time was helping with the event and he told me 32 is possible if you remove the axel stop screws and pull the wheel as far back as you can. I have not tried it but I am tempted as I live on a hill and am now running 28's on a couple of my bikes. The other bike running a 28 just got switched to a patent 82 Super Record and it works perfectly , big to big , no problem.
Depending on the chain length and on the exact chainstay length, you might not want to go all the way back, only as far as needed for the pulley teeth not to contact the largest cog. But I agree that moving the axle back is like "where the rubber meets the road" after installing a bigger freewheel, not only is the pulley moving downward but the cog is moving behind the pulley center as well.
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Old 07-13-20, 03:34 PM
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Just go Shimano Deore/XT/XTR and close your eyes when shifting.
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Old 07-14-20, 11:20 AM
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Originally Posted by dddd View Post
Swinging the NR forward to mimic the Crane won't work very well because of the absence of the dropped knuckle.
Hmm, wouldn't the RoadLink emulate a dropped knuckle, if ground down to permit the rotation? That said, the RoadLink does not look long enough; I thought they used to make (or someone did) longer ones. I'm tempted to try it, just for fun, but unlike the OP my largest cog is 24T "your results may vary".
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Old 07-14-20, 02:51 PM
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If you were to grind the stop on a RoadLink that far, I don't think that there would be any metal left to act as a stop.
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Old 07-14-20, 06:40 PM
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I had a Pat. 78 shifting on a Shimano 7-speed 28 without breaking a sweat. I'm sure 30 would have worked, maybe 32 with positive vibes...
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Old 07-14-20, 07:24 PM
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Originally Posted by tiger1964 View Post
This AM's eBay asking prices on a Rally are $200 to $450, ouch.
A while back, I saw a way too tall for me Eddy Merckx bike listed for $750 locally. I was trying to justify buying/flipping it just for its Rally rear mech. That's the only way I'll likely get my hands on one.
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Old 07-15-20, 03:27 PM
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