Campagnolo Record Bottom Bracket Spindle Confusion
#1
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Campagnolo Record Bottom Bracket Spindle Confusion
Here's the back story... I recently picked up a very cheap ($25) second/third-hand Campy Record crankset dated 1974 <4> and it came with a Campy English 68mm x 112mm bottom bracket. Turned out the reason it was so cheep was not because of the condition, but because it had a late 80s Record left side crank arm on it [41].
Around the same time, I brought home a wayward Frejus that had a complete (or what I thought was complete) EB Williams AB77 crankset and proprietary bottom bracket. Once I scraped away the years of grease and removed the BB from the frame, I found the Williams spindle (117mm) to be pitted and unusable, but also Campagnolo Italian cups, lock-ring and bearings.
I managed to find a perfect match '74 left arm on eBay and have now decided to put the Record crankset on the restored Frejus instead of looking for a new AB77 spindle that isn't wrecked. This started my journey into the bizarre and mysterious world of Campagnolo bottom bracket spindles. Holy crap in a can.
So now I'm looking for a 70 SS 120 in what I thought to be a 113mm wide spindle, and yet it seems like there are so many variations of lengths and dimensions, from bearing races and taper lengths, I'm just about paralyzed with confusion not wanting to have to just start randomly collecting a bunch of Italian Campy spindles to test.
Fitting the Record cranks to the 68mm spindle and Italian cups puts the inside of the crank arms way too close to the BB cups, even without bolting everything together. So on the English spindle I have, the tapered ends are not long enough for a 70mm BB shell. To make matters worse, it's going to be a crapshoot looking for a spindle with exact measurements on eBay when people can barely know how to use an Imperial ruler let alone a digital caliper.
What's the best way to get proper spindle length for this Italian frame? What questions should I be asking to sellers? Are there Campy spindles with longer tapered areas outside of the 70mm shell dimension? And what are the "thin" BB cups that change the dimensions of everything needed? Good grief, how am I going to find a spindle that works for this frame? Help!
For the photo hungry, here are the cranksets mentioned above...
Williams AB77
Campagnolo Record
Around the same time, I brought home a wayward Frejus that had a complete (or what I thought was complete) EB Williams AB77 crankset and proprietary bottom bracket. Once I scraped away the years of grease and removed the BB from the frame, I found the Williams spindle (117mm) to be pitted and unusable, but also Campagnolo Italian cups, lock-ring and bearings.
I managed to find a perfect match '74 left arm on eBay and have now decided to put the Record crankset on the restored Frejus instead of looking for a new AB77 spindle that isn't wrecked. This started my journey into the bizarre and mysterious world of Campagnolo bottom bracket spindles. Holy crap in a can.
So now I'm looking for a 70 SS 120 in what I thought to be a 113mm wide spindle, and yet it seems like there are so many variations of lengths and dimensions, from bearing races and taper lengths, I'm just about paralyzed with confusion not wanting to have to just start randomly collecting a bunch of Italian Campy spindles to test.
Fitting the Record cranks to the 68mm spindle and Italian cups puts the inside of the crank arms way too close to the BB cups, even without bolting everything together. So on the English spindle I have, the tapered ends are not long enough for a 70mm BB shell. To make matters worse, it's going to be a crapshoot looking for a spindle with exact measurements on eBay when people can barely know how to use an Imperial ruler let alone a digital caliper.
What's the best way to get proper spindle length for this Italian frame? What questions should I be asking to sellers? Are there Campy spindles with longer tapered areas outside of the 70mm shell dimension? And what are the "thin" BB cups that change the dimensions of everything needed? Good grief, how am I going to find a spindle that works for this frame? Help!
For the photo hungry, here are the cranksets mentioned above...
Williams AB77
Campagnolo Record
#2
Senior Member
-----
your text does not mention if the bottom bracket cups you received are Record (R) serie or Nuovo Record (NR) serie
Record cups have thinner walls so that the spindles compatible with them have their bearing shoulders further apart than for the NR cups which have thicker walls so the bearing shoulders need to be closer together to compensate
from the images posted it "looks" like your cups are Record serie
the NR cups have helical splines on the edges of the spindle hole
for the matched pair of arms you created the correct spindle for an Italian dimension shell with a two plateau drive train is one marked 70-SS-120
page of catalogue Nr. 16 1968 -
-----
your text does not mention if the bottom bracket cups you received are Record (R) serie or Nuovo Record (NR) serie
Record cups have thinner walls so that the spindles compatible with them have their bearing shoulders further apart than for the NR cups which have thicker walls so the bearing shoulders need to be closer together to compensate
from the images posted it "looks" like your cups are Record serie
the NR cups have helical splines on the edges of the spindle hole
for the matched pair of arms you created the correct spindle for an Italian dimension shell with a two plateau drive train is one marked 70-SS-120
page of catalogue Nr. 16 1968 -
-----
Last edited by juvela; 12-06-23 at 09:54 AM. Reason: addition
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#3
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I'm thinking you want one of these. I bought these from Harry Havnoovian through his e-bay store. He has a stash of parts that are being sold a bit at a time. HTH, Smiles, MH
These don't really have any indication as to year of manufacture, but the size is correct for NR cups.
These don't really have any indication as to year of manufacture, but the size is correct for NR cups.
#4
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your text does not mention if the bottom bracket cups you received are Record (R) serie or Nuovo Record (NR) serie
Record cups have thinner walls so that the spindles compatible with them have their bearing shoulders further apart than for the NR cups which have thicker walls so the bearing shoulders need to be closer together to compensate
from the images posted it "looks" like your cups are Record serie
the NR cups have helical splines on the edges of the spindle hole
for the matched pair of arms you created the correct spindle for an Italian dimension shell with a two plateau drive train is one marked 70-SS-120
Record cups have thinner walls so that the spindles compatible with them have their bearing shoulders further apart than for the NR cups which have thicker walls so the bearing shoulders need to be closer together to compensate
from the images posted it "looks" like your cups are Record serie
the NR cups have helical splines on the edges of the spindle hole
for the matched pair of arms you created the correct spindle for an Italian dimension shell with a two plateau drive train is one marked 70-SS-120
I'm thinking you want one of these. I bought these from Harry Havnoovian through his e-bay store. He has a stash of parts that are being sold a bit at a time. HTH, Smiles, MH
These don't really have any indication as to year of manufacture, but the size is correct for NR cups.
These don't really have any indication as to year of manufacture, but the size is correct for NR cups.
Am I crazy?
#5
Senior Member
The original configuration showed all kinds of possibilities- the adjustable cup was showing way too many threads- my hunch that ONE cup was Nuovo Record.
more info required to assist. The image of the Campagnolo crank assembly with no presentation of the spindle markings - just hides things.
image the cups showing the spindle ports from the inside and a slight angle.
the later year of the non drive side arm is of no functional difference.
do inspect both arms for cracks completely.
more info required to assist. The image of the Campagnolo crank assembly with no presentation of the spindle markings - just hides things.
image the cups showing the spindle ports from the inside and a slight angle.
the later year of the non drive side arm is of no functional difference.
do inspect both arms for cracks completely.
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The original configuration showed all kinds of possibilities- the adjustable cup was showing way too many threads- my hunch that ONE cup was Nuovo Record.
more info required to assist. The image of the Campagnolo crank assembly with no presentation of the spindle markings - just hides things.
image the cups showing the spindle ports from the inside and a slight angle.
do inspect both arms for cracks completely.
more info required to assist. The image of the Campagnolo crank assembly with no presentation of the spindle markings - just hides things.
image the cups showing the spindle ports from the inside and a slight angle.
do inspect both arms for cracks completely.
No cracks on the Record pieces. Everything is in beautiful condition. I think it was stored in a closet for 40 years before I got it.
Yup, you're right, they are Nuovo Record, rifled inside the spindle holes.
And also correct about the bad fitment with the Williams spindle and cranks, with the NR cups. Could that have been a possible cause of the AB77 spindle pitting and failure?
#7
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The spindle bearing track failure is most likely from neglect, possible internal contamination from the frame. Not noted was the presence of a debris shield in the bottom bracket shell.
60+ years of use or more, unlikely the as purchased crank set up was original.
60+ years of use or more, unlikely the as purchased crank set up was original.
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What's the best way to get proper spindle length for this Italian frame? What questions should I be asking to sellers? Are there Campy spindles with longer tapered areas outside of the 70mm shell dimension? And what are the "thin" BB cups that change the dimensions of everything needed? Good grief, how am I going to find a spindle that works for this frame? Help!
There used to be a source selling these on Amazon for around 15 bucks. But I see they are gone now, so they were probably closing out their stock, cheap. They work well for my New Record cranks, even with the slightly longer spindle. But FSA still makes and sells one in 113 that will probably work for you ...link. FSA puts out a good quality product.
If you're interested in going this route, search Amazon and e-bay using "Square Taper Bottom Bracket 36x24 Italian 115mm" or "113mm" and you will get some results. I don't routinely replace a good quality Campagnolo cup and cone BB mechanism, I just service them. But finding them used, in good condition, and with all the correct parts matched became increasingly difficult over the years. If they need replacing due to wear, or if the crank comes to me alone, I long ago switched to sealed units as replacements to make my life easier.
Those guys at Campagnolo went back and forth on their BB standards too many times, for this to make much it worth going original for me.
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#9
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I don't have all the answers but an approach. Assuming a standard taper will work with those old Campy cranks - first see if that taper is (or close enough to) ISO or JIS. If JIS, you are in luck. Buy a cheap long Shimano BB. (Italian - is that possible? I don't know.) Install. Mount cranks. Measure the chainline. Note the left side crank clearance at the chainstay. Do the calcs to find the equivalent crank that gets yo the proper chainline and puts the left crank where you want it. (In spindle length and asymmetry, in mm.) Order said bottom bracket from Phil Wood.
You could do the same with a Miche BB (ISO) but it would be probably too short to mount the cranks. But you could install the BB, measure BB faces to the frame, then take out and install the cranks on the BB. Calculate chainline. Left crank would be harder to visualize. The Miche would cost twice the Shimano. (If it's a Pista one, you could send it to me when you are done!)
Phil Wood can make you whatever you need in either of those standards. Probably $200 for BB plus tools you will need. If you can find a Phil BB you can borrow, another approach would be to buy the Italian cups form Phil, install the borrowed BB, mount cranks and measure. (If cranks hit the BB or the BB shell, remove the BB and install the cranks as above.
You can also talk to the engineers at Phil. They are easy to talk to. I highly doubt they will have the answers to your situation because I suspect that if they have enough experience with old Campy, they know well the measurements were all over the place. Parts were made as sets by skilled machinists. That set was made to Campy quality. That Joe's set was not fully interchangeable with the set Bill made last year? Who cares? They went to different bikes.
You could do the same with a Miche BB (ISO) but it would be probably too short to mount the cranks. But you could install the BB, measure BB faces to the frame, then take out and install the cranks on the BB. Calculate chainline. Left crank would be harder to visualize. The Miche would cost twice the Shimano. (If it's a Pista one, you could send it to me when you are done!)
Phil Wood can make you whatever you need in either of those standards. Probably $200 for BB plus tools you will need. If you can find a Phil BB you can borrow, another approach would be to buy the Italian cups form Phil, install the borrowed BB, mount cranks and measure. (If cranks hit the BB or the BB shell, remove the BB and install the cranks as above.
You can also talk to the engineers at Phil. They are easy to talk to. I highly doubt they will have the answers to your situation because I suspect that if they have enough experience with old Campy, they know well the measurements were all over the place. Parts were made as sets by skilled machinists. That set was made to Campy quality. That Joe's set was not fully interchangeable with the set Bill made last year? Who cares? They went to different bikes.
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...you seem to be fixated on restring this bike with an old school cup and cone bottom bracket mechanism. Which is fine, if that's what you want. But by far the simplest way to mount that drank onto your Italian threaded frame is by using a sealed unit BB assembly, designed for mounting square taper cranks and in the Italian threaded variety.
I think what I will end up doing is spending a little time seeing if finding a 70-SS-120 spindle that fits is possible, and then if common sense prevails, I will pick up one of the sealed cartridge BBs. I just found them on Colorado Cyclist for $4.99 each (SOLD OUT) which would have been nice.
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I remember being in a similar position as you, it is very confusing to try to sort out. Not sure if you have seen this but it was helpful for me....
https://www.campyonly.com/history/re...ws_vol_1-2.pdf
Andy
https://www.campyonly.com/history/re...ws_vol_1-2.pdf
Andy
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purpurite ,
I just measured mine and the 113 length spindle is what you are looking for. The 17 and 19 measurements are the correct ones for a double chain ring set up. HTH Smiles, MH
I just measured mine and the 113 length spindle is what you are looking for. The 17 and 19 measurements are the correct ones for a double chain ring set up. HTH Smiles, MH
Last edited by Mad Honk; 12-06-23 at 03:11 PM.
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#13
blahblahblah chrome moly
It's not all that confusing really. If you narrow your seach to NR Italian Double (not track or triple) then there are only two choices, pre- and post-'78. I may be off by a year, but whenever they had to add the lip on the front derailer to sell in the USA, due to CPSC regulations. The lip required more space between the big chainring and the crank, so the spindle became 1.5 mm longer on the right, with 1 mm added on the left also I believe. The spacing of the cones stayed the same, so there's no difference between pre- and post-'78 cups. You just need the spindle to be of the same era as the cranks. A ruler, tape measure or calipers will distinguish a pre-'78 from a post-'78. If still unsure, buy a spindle from a knowledgeable seller like Mike Kone of Boulder Bike and tell him you need pre-'78. Oops I just looked and he doesn't have any in Italian at the moment. Someone here may know how/where to reliably get a pre-'78 spindle.
You can safely mis-match pre- and post-'78 parts if you know what you're doing and/or if you don't care that your chainline is off by 1.5 mm. Actually useful sometimes for special projects, but usually the correct spindle will give best results. Newer cranks on the older spindle might make the small chainring rub on the chainstay.
Buying some other brand, or even a modern cartridge, has its pitfalls too. For example most anything modern is symmetric left-right, where your Campy was meant to be longer on the right and will fit funny on a modern spindle.
On the subject of your Williams cranks: Way BITD, Phil Wood used to make BBs for odd cranks like yours by taking your spindle and modifying it for use in one of their cartridge BBs. No idea if they still offer that but you could ask. Anyone here know? Of course it would look like a Phil BB, with their special mounting rings visible from the outside, so you wouldn't be fooling anyone into thinking it was a Williams BB. But whatever you do, don't throw the Williams parts away.
AB-77 fan,
Mark B
You can safely mis-match pre- and post-'78 parts if you know what you're doing and/or if you don't care that your chainline is off by 1.5 mm. Actually useful sometimes for special projects, but usually the correct spindle will give best results. Newer cranks on the older spindle might make the small chainring rub on the chainstay.
Buying some other brand, or even a modern cartridge, has its pitfalls too. For example most anything modern is symmetric left-right, where your Campy was meant to be longer on the right and will fit funny on a modern spindle.
On the subject of your Williams cranks: Way BITD, Phil Wood used to make BBs for odd cranks like yours by taking your spindle and modifying it for use in one of their cartridge BBs. No idea if they still offer that but you could ask. Anyone here know? Of course it would look like a Phil BB, with their special mounting rings visible from the outside, so you wouldn't be fooling anyone into thinking it was a Williams BB. But whatever you do, don't throw the Williams parts away.
AB-77 fan,
Mark B
#14
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A Phil answer would be good.
skeptical today though, would be a total custom. And lawyers are a different breed today. Every other radio advert is for an accident attorney, but I digress.
regarding spindles, one issue is folk think 70-SS is 70-SS-120… nope.
the concern of the non drive side being a problem as a much younger arm had the kids winding up the lids. Non issue.
skeptical today though, would be a total custom. And lawyers are a different breed today. Every other radio advert is for an accident attorney, but I digress.
regarding spindles, one issue is folk think 70-SS is 70-SS-120… nope.
the concern of the non drive side being a problem as a much younger arm had the kids winding up the lids. Non issue.
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...I actually called the Phil Wood number, and spoketo someone 10 or 15 years ago, when replacing a BB for a NR crank from the late 70's or 80's.
That person put me on hold, went to talk with someone, then returned to tell me they would send me something in 113, that had JIS taper. It was closer to the original, apparently.
I've only done that once. Because it gets expensive if you do it on a regular basis. After riding it for a while, I sold that bike to someone else, and I imagine they've had no problems with it.
I've had zero issues using those Campy units that I linked to previously, with NR cranks. In fact, I bought three or four extras, before they went out of stock. I think they were made for some other Campy crankset, like maybe Centaur. They still show up on e-bay a lot, but at higher prices mostly. Maybe I'm missing something,
...I actually called the Phil Wood number, and spoketo someone 10 or 15 years ago, when replacing a BB for a NR crank from the late 70's or 80's.
That person put me on hold, went to talk with someone, then returned to tell me they would send me something in 113, that had JIS taper. It was closer to the original, apparently.
I've only done that once. Because it gets expensive if you do it on a regular basis. After riding it for a while, I sold that bike to someone else, and I imagine they've had no problems with it.
I've had zero issues using those Campy units that I linked to previously, with NR cranks. In fact, I bought three or four extras, before they went out of stock. I think they were made for some other Campy crankset, like maybe Centaur. They still show up on e-bay a lot, but at higher prices mostly. Maybe I'm missing something,
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Simply put, you'll need a 113mm spindle marked 70.
Here's my Campy spindle cheat sheet:
Italian 70mm BB:
Double -Pre CPSC: 113mm. Post: 115.5mm
Triple - Pre: 118mm. Post: 124mm
English/French 68mm BB:
Double - Pre: 112. Post: 114.5
Triple - Pre:117. Post: 123
Spc -- ≻ c - record
Ssa -- ≻ croce d'aune
Ssb -- ≻ chorus
Ssg -- ≻ athena
Here's my Campy spindle cheat sheet:
Italian 70mm BB:
Double -Pre CPSC: 113mm. Post: 115.5mm
Triple - Pre: 118mm. Post: 124mm
English/French 68mm BB:
Double - Pre: 112. Post: 114.5
Triple - Pre:117. Post: 123
Spc -- ≻ c - record
Ssa -- ≻ croce d'aune
Ssb -- ≻ chorus
Ssg -- ≻ athena
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#17
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I remember being in a similar position as you, it is very confusing to try to sort out. Not sure if you have seen this but it was helpful for me....
https://www.campyonly.com/history/re...ws_vol_1-2.pdf
Andy
https://www.campyonly.com/history/re...ws_vol_1-2.pdf
Andy