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Campy Nuovo Record Front Derailleur Capacity

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Campy Nuovo Record Front Derailleur Capacity

Old 07-04-18, 03:55 PM
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plummerl
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Campy Nuovo Record Front Derailleur Capacity

Greetings! I'm in the process of rebuilding my 1973 Motobecane Grand Record (bought new). I've come to the conclusion that I need a new crankset, the original Stronglight 49d has a warped chainring that will not straighten. This of course caused an avalanche of replacing other components, bottom bracket, pedals and crankset.

My question is with regards to the front derailleur (Campy Nuovo Record, 1052/1 Gen5). My current crankset is the standard 42-52. I'm considering getting a Velo Orange Grand Cru Drillium 110, to maintain a retro look. The question I can't seem to find an answer to, is what is the capacity of the front derailleur? The Velo Orange only comes in a 34-48 and I'm concerned with being able to go from a 10 tooth gearing to a 14 tooth gearing.

Any help would be greatly appreciated!

Last edited by plummerl; 07-04-18 at 05:03 PM.
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Old 07-04-18, 09:19 PM
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You should be fine. I use a 2nd generation Record with a 30/46 crank and it shifts well IMO.
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Old 07-04-18, 10:09 PM
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I use a post-CPSC NR with an IRD 50/34 crank and it shifts fine.
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Old 07-04-18, 11:57 PM
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Thanks all! I won't have to cancel my order!

I'll post some before/after shots, once I break the 10 post threshold!
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Old 07-05-18, 12:01 PM
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Today's road default is a 14-tooth drop: 53-39.

You might have a small mismatch of cage and chainring arc curvatuer shape, but this shouldn't be a problem with 48T. I even run 45-42 on a Shimano front derailleur designed for 52-40.
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Old 07-05-18, 12:19 PM
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Originally Posted by plummerl View Post
Greetings! I'm in the process of rebuilding my 1973 Motobecane Grand Record (bought new). I've come to the conclusion that I need a new crankset, the original Stronglight 49d has a warped chainring that will not straighten. This of course caused an avalanche of replacing other components, bottom bracket, pedals and crankset.

My question is with regards to the front derailleur (Campy Nuovo Record, 1052/1 Gen5). My current crankset is the standard 42-52. I'm considering getting a Velo Orange Grand Cru Drillium 110, to maintain a retro look. The question I can't seem to find an answer to, is what is the capacity of the front derailleur? The Velo Orange only comes in a 34-48 and I'm concerned with being able to go from a 10 tooth gearing to a 14 tooth gearing.

Any help would be greatly appreciated!
Related info . . .chances are good that the BB on the 1973 Record is Swiss threaded. It's unusual and difficult to find modern BB's that will fit. Hopefully your BB is in good shape, but there is still no guarantee that a modern square taper crankarm will fit your 45 year old spindle. If my memory is correct, the Swiss threading is similar to French threading, but the fixed cup is left hand threaded similar to an English BB.
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Old 07-05-18, 12:55 PM
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Originally Posted by thunderworks View Post
Related info . . .chances are good that the BB on the 1973 Record is Swiss threaded. It's unusual and difficult to find modern BB's that will fit. Hopefully your BB is in good shape, but there is still no guarantee that a modern square taper crankarm will fit your 45 year old spindle. If my memory is correct, the Swiss threading is similar to French threading, but the fixed cup is left hand threaded similar to an English BB.
Velo-Orange’s threadless bottom brackets always seemed like a nice solution for this. Anyone used one of these?
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Old 07-05-18, 03:14 PM
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Originally Posted by thunderworks View Post
Related info . . .chances are good that the BB on the 1973 Record is Swiss threaded. It's unusual and difficult to find modern BB's that will fit. Hopefully your BB is in good shape, but there is still no guarantee that a modern square taper crankarm will fit your 45 year old spindle. If my memory is correct, the Swiss threading is similar to French threading, but the fixed cup is left hand threaded similar to an English BB.
I went into this with the intention of replacing the bottom bracket, so that I'd get a modern square taper (JIS). Knowing the uncertainty of the GR having either Swiss or French fixed cup, I planned on either a Phil Wood (Swiss) or using the Velo Orange (French). As luck would have it, I discovered a FRENCH cup and it extracted fine (but required an unbelievable amount of torque!). I have a matching Velo Orange French BB coming with their Grand Cru 110 crankset.
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Old 07-05-18, 03:20 PM
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I bet I've got you all beat. I'm running a post-CPSC Nuovo Record FD with 52-42-30 chainrings and a 13-28 freewheel. Granted, it does rub on the bottom of the cage a bit on the 30T combined with the three smallest cogs on the rear, but then who uses those anyway. It does not shift lightning fast from the 30 to 42, requiring a little bit of finesse. I can also shift straight from the 30 directly to the 52 without much trouble. I've ridden it thousands of miles like this with no issue.
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Old 07-05-18, 04:51 PM
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I have a Motobecane Grand Record and am using the original Campagnolo Grand Record front derailleur with a vintage T. A. Cyclotourist double with 48 & 34 chainrings. The combination shifts very well. Your Velo Orange crankset should shift quickly, it has ramps and pins to improve shifting performance.
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Old 07-05-18, 04:53 PM
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Originally Posted by Barrettscv View Post
I have a Motobecane Grand Record and am using the original Campagnolo Grand Record front derailleur with a vintage T. A. Cyclotourist double with 48 & 34 chainrings. The combination shifts very well. Your Velo Orange crankset should shift quickly, it has ramps and pins to improve shifting performance.
Perfect! Thanks for the info.
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Old 07-05-18, 06:12 PM
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Originally Posted by plummerl View Post
Perfect! Thanks for the info.
You may have some difficulty with the original Campagnolo Record rear derailleur depending on your freewheel and the careful sizing of the chain length.

I had problems with the rear derailleur arm clearing the teeth of the freewheel in some combinations when I had a 14-26 freewheel installed. Since I wanted a 13-32 six speed freewheel, I installed a Shimano 600 long arm derailleur. I never got the Campagnolo rear derailleur sorted.

Last edited by Barrettscv; 07-05-18 at 06:18 PM.
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Old 07-05-18, 06:26 PM
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plummerl
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Originally Posted by Barrettscv View Post
You may have some difficulty with the original Campagnolo Record rear derailleur depending on your freewheel and the careful sizing of the chain length.

I had problems with the rear derailleur arm clearing the teeth of the freewheel in some combinations when I had a 14-26 freewheel installed. Since I wanted a 13-32 six speed freewheel, I installed a Shimano 600 long arm derailleur. I never got the Campagnolo rear derailleur sorted.
Thanks for the heads up! I was planning on keeping my original Regina 14-26 freewheel, I guess I'll see what happens.
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Old 07-05-18, 07:43 PM
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Originally Posted by plummerl View Post
Thanks for the heads up! I was planning on keeping my original Regina 14-26 freewheel, I guess I'll see what happens.
Then there are these:

https://store.somafab.com/sonuredecapl.html
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Old 07-06-18, 07:17 AM
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Originally Posted by davester View Post
I bet I've got you all beat. I'm running a post-CPSC Nuovo Record FD with 52-42-30 chainrings and a 13-28 freewheel. Granted, it does rub on the bottom of the cage a bit on the 30T combined with the three smallest cogs on the rear, but then who uses those anyway. It does not shift lightning fast from the 30 to 42, requiring a little bit of finesse. I can also shift straight from the 30 directly to the 52 without much trouble. I've ridden it thousands of miles like this with no issue.
Not Campy, but using "racing" derailleurs on half-step +grannies. Raleigh Comp with TA Cyclotourist 49-46-26 using the delicate Heuret Jubilee. Other is a Rivy Homer with Sugino 44-41-24 using a SunTour Superbe. Yeah they rub on the small chainring, small rear combos, but, as quoted above, there's no reason to do so.

Shifting advice. Back off the pedal pressure and shift up gently. If your racing or club riding you could probably just slam a Campy on the front upshifts.
Cheers!
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