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  #226  
Old 05-04-2016, 05:41 PM
1fstwarrior 1fstwarrior is offline
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Serotta Colorado

I Just bought a Serotta Colorado LT. My serial # is as follows. G5700064. Everything sounds right except G. Fr what I read there wasn't a G listed. Would appreciate any help I can get. Being #64 it was made in the first yr. When were the first ones produced?
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  #227  
Old 05-04-2016, 07:04 PM
1fstwarrior 1fstwarrior is offline
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See the attached photos for reference
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  #228  
Old 05-04-2016, 07:41 PM
dave thompson dave thompson is offline
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Are you sure about the model of your bike? From your pics it doesn't appear to be lugged. Serotta made a companion to the LT named the TG as it was TIG welded. See the 1992 catalog: http://forums.thepaceline.net/attach...6&d=1291899485
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  #229  
Old 05-05-2016, 08:28 AM
1fstwarrior 1fstwarrior is offline
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The sticker on the down tube says Colorado Lt. I agree that its not a lugged frame. That's all I have to go on.
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  #230  
Old 05-09-2016, 11:04 PM
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sipmeister sipmeister is offline
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Serotta, what model?

I recently got this Serotta and am told it is an NHX. However, I'm not so sure. Anyone have any idea what this is? I know it's painted by Mr. Joe Bell and he's given me some neat info on it. Sadly it is a tad small for me so either my son gets it or it heads to the Bay.
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  #231  
Old 05-10-2016, 12:52 AM
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oliver1850 oliver1850 is offline
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Quote:
Originally Posted by sipmeister View Post
I recently got this Serotta and am told it is an NHX. However, I'm not so sure. Anyone have any idea what this is? I know it's painted by Mr. Joe Bell and he's given me some neat info on it. Sadly it is a tad small for me so either my son gets it or it heads to the Bay.
If I'm reading the serial number correctly, it is 80456. That would make it 1988 production, thus a Nova Special rather than an NHX. If you shine a light down the seat tube, you may be able to see spirals when looking in from the BB shell. In that case it would be a Nova Special X, which had SLX tubing rather than SL.
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  #232  
Old 05-10-2016, 08:22 PM
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sipmeister sipmeister is offline
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Quote:
Originally Posted by oliver1850 View Post
If I'm reading the serial number correctly, it is 80456. That would make it 1988 production, thus a Nova Special rather than an NHX. If you shine a light down the seat tube, you may be able to see spirals when looking in from the BB shell. In that case it would be a Nova Special X, which had SLX tubing rather than SL.
Yup, the serial number is 80456. The down tube is smooth, so no SLX here. Thanks for the help!
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  #233  
Old 05-17-2016, 01:21 PM
Plum Hill Plum Hill is offline
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My collection

CSI, 58L, built 10-23-95 - CS-58L-483 (sold to a friend, then sold by Recycled Cycles in STL; would love to know where it is). Campy Record 8 speed, originally had Phil Wood cassette hub.

CRT, 58, built 10-2-98 - RT-58-112 (sold to same friend, may still have it, Phil wheels moved to it). Mix of Campy Chorus, Record, and Racing T.

Ottrott ST, 55TT, 58ST, built 4-17-04 - COS-58-180. Taken out by a Mazda 626 3-28-07.

Ottrott ST, 55TT, 58ST, built '07 - COS-58-1274.

HSG Carbon Performance Geometry (57) - HB-X957. EBay find, only bidder, purchased 10-29-11.

Colorado Ready Custom, Performance Geometry (57) - CO-X10017L (?) (not sure of last digit). Built 2-3-11. Purchased from Forum member, currently being fitted with S&S Couplings.

David
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  #234  
Old 06-16-2016, 11:59 AM
asava asava is offline
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Unknown 80's Serotta

Hey guys,

I just listed this over at the classified and the general consensus seems to be that it is definitely not an '88 Colorado II as I was told when I bought it from a guy in Tulsa some odd years back. People seem to think that it's an early to mid 80's Nova that has been re-sprayed, but I'm having a hard time making sense of the serials, and haven't run seen any other bb stamped with the Cinelli logo. Note the cable guides just above the bottom brackets. At this point I'm not sure the Columbus stickers are right or not.

Serial number is 76901. Possibility it is 78901, but it didn't look like the top of the "6" closed.

http://forums.thepaceline.net/showthread.php?t=188377

Any help would be much appreciated!
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  #235  
Old 07-01-2016, 05:55 PM
Kurt1 Kurt1 is offline
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Serotta #80904...TSX decal

Hello, all,
New to the forum and having recently bought Serotta #80904, I've really enjoyed reading through your thread. With what I've learned on this thread the first digit being an 8 my bike is an '88. If the paint is not original it was stripped to bare metal long ago and repainted. However, I bought the bike from the original owner, paid all of $400, and the dusty, grimey, dirty thing I bought is very original according to the seller, who didn't know about the tubing.

Please help educate me on what model I may have. It has no model decals (from what I read this is an indication the paint and decals are not original) and also that very unlikely decal that reads Columbus TSX. I will pull the fork and look for rifled tubing from end-to-end.

Lugs come to a point that curves at the tip, and the brake bridge has two "S" logos. Rear dropouts are stamped "Brev Campagnolo".

Any other suggestions on how to identify my bike are most welcome and appreciated. The old girl cleaned-up pretty well after hours and hours of gentle polishing and waxing. Lots of chips, scratches and even some surface rust, but the one thing the owner did say is it did a lot of racing many years ago. Must have been flat wherever that was as it's a 53/42 with a 21T in the rear. Plan is to definitely save the paint, patina and simply touch it up and stabilize any rust spots.

New Tufo tubulars aleady installed. Ordering some appropriate white bar tape, new cables and housing and searching for a more humane Italian thread 7-speed freewheel

Thanks to all in advance for your help. I look forward to learning as much as I can about my Serotta.
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  #236  
Old 07-01-2016, 07:09 PM
Kurt1 Kurt1 is offline
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Serotta #80904 Original Paint?

As a follow-up to my posting above I have now pulled the fork and found an illegible serial number (too much surface rust) and the light blue overspray. Is this overspray an indication of a repaint or would original Serotta paint have overspray on the lower end of the steer tube as mine does?

In terms of confirming the TSX decal is just that, simply a decal applied by someone outside the Serotta factory, what does the rifling look like, and am I looking down the seat tube or do I need to pull the BB and look up the down tube?

Identifying what model this is will help determine what tubing the bike actually has, so again the expertise in identifying #80904 is much appreciated.
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  #237  
Old 07-01-2016, 08:04 PM
Kurt1 Kurt1 is offline
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#80904 Rifling Found Steer Tube

Well, I did some research and it if I understand correctly the very bottom of the seat tube, the entire top tube, the entire down tube, steer tube, and part of the chain stays are rifled. Under 38 years of grime I found rifling at the bottom of the steer tube. If I had not know to look and wipe away all the crud I would never have seen it the rifling.

I will pull the BB and check the bottom of the seat tube and the down tube. From the Columbus TSX vs SLX charts I found, only TSX is rifled end-to-end in the down tube. An SLX down tube is rifled only at the ends.

Yes, the fork may not be original, but once I pull the BB, provided I can see the bottom of the seat tube and up the down tube I'll know if the frame tubing is rifled.

...If nothing else it's fun trying to unravel the mystery of the TSX decal on #80904.
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  #238  
Old 07-04-2016, 12:26 PM
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oliver1850 oliver1850 is offline
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That's a nice find. Just from what I can see so far, it looks like an original '88 Serotta to me. I think it's a custom based on a Nova Special. I've never seen those lugs on a Serotta, so the customer may have specified them. The overspray on the bottom of the steerer is normal. Sanding it may reveal a matching serial number. I would do that and grease the whole length to prevent further rust. Note that Serotta used the rifled steerers on everything, even bikes that had non-rifled frame tubes. I'd tend to believe the TSX tubing sticker, unless you find for certain that the seat tube is not rifled. I believe both TSX or SLX seat tubes were only rifled at the bottom. Best way to see the rifling is to pull the BB and shine a light in the top while looking in from the BB opening. You may have to clean the inside of the tube to see the rifling. I have used a wooden dowel split at the end and spinning a piece of sandpaper with a drill.

Regarding freewheels, you can normally fit a standard ISO freewheel to an Italian threaded hub. The thread pitch is the same but the ISO diameter is .003" smaller. There is plenty of manufacturing tolerance to easily allow for the ISO FW to thread on. Here I have a modern Shimano FW on an Italian threaded Chorus hub. I was able to screw it on and off without even using a tool. You will likely find the ratio you want much more easily and cheaply going ISO rather than Italian.

http://sheldonbrown.com/freewheels.html
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Last edited by oliver1850; 07-04-2016 at 12:44 PM.
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  #239  
Old 07-06-2016, 08:54 AM
Kurt1 Kurt1 is offline
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#80904

Thank you, Oliver1850. Really interesting to learn that it appears my bike is based on a Nova Special, but also that the lugs used a uncommon on Serottas. Something else points to 80904 having TSX tubing, and that is that the candystripe blue paint treatment was only applied in areas that where the TSX tubing is rifled. So, for example, the entire top tube, but only the first 3 inches of the seat stays. Exactly where TSX tubing is rifled.

It's a relief to the learn I don't have to spring for an expensive Italian thread freewheel!

More to come on #80904 as I continue to unravel it's history, but really, really appreciate the reply and the great information on this forum.
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  #240  
Old 07-09-2016, 11:51 AM
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oliver1850 oliver1850 is offline
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The paint is as unique as the rest of the frame. Most Serottas in that era are single colors or fades. I hope you can preserve it.
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