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-   -   Serial Numbers Decoded (https://forums.thepaceline.net/showthread.php?t=99078)

Brian Smith 05-27-2020 06:26 PM

Quote:

Originally Posted by oliver1850 (Post 2707094)
Still don't have an answer but there's another Meivici currently on eBay that has the MG code.

Meivici GS used the MG prefix, which came later than the original MV, also carried on for use with the later Meivici SE designation models.

oliver1850 05-30-2020 03:25 PM

Thanks Brian.

VitSports6 07-30-2020 03:22 PM

7 Attachment(s)
Hello all, first post here, I purchased a Serotta Legend Ti a little over a week ago and I love it! Its my first real go fast bicycle.

S/N CTI 54 3932

It has Campagnolo Record 10 groupset, Reynolds carbon fork Mavic Ksyrium SSC SL wheelset, I'm not sure what all my have come from the factory, I like that it has a badge as well.

oliver1850 08-04-2020 02:52 PM

Concours Ti Cyclocross CX is coded CU.

bob_in_pa 08-05-2020 02:43 PM

4 Attachment(s)
Hello,

New Colorado II owner here and thought I'd share some of the details. Serial number is SC65 3355, TT is 62cm. It has S-bend chain stays, "web" bottom bracket shell, and half lugs/fillet brazed joining on both ends of the TT. The color is Samurai Orange with white panels and silver decals. The fork is a color matched F1.

The frame is in immaculate condition for it's age with only a few chips, mostly from chain slap, and some rub marks from shifter cables. On the TT there's a label of unknown origin that reads, "1993 Custom Serotta Colorado II Frame Large Lugged Steel Samurai Orange 21440 999".

I'm not sure what the significance of the label is since I don't believe the were making the Colorado II in 1993. The frame is missing the tubing decal and I don't think I've ever seen a Serotta with a paneled paint scheme. Could it be from a repaint?

If anyone can shed some light on this frame I'd appreciate it. I can't wait to get it built and on the road.

Thanks,
Bob

Pics added.

soccerbj1171 08-07-2020 08:54 PM

New Serotta Owner - Trying to Figure Out Model
 
3 Attachment(s)
Hey everyone,

Been reading the forum the last few days since I picked up my first Serotta. I was trying to figure out what model I have but I couldn’t find it. I saw back in 2011 in the thread that someone else had a “BR” labeled S/N but didn’t see any pictures. Anyways, thought I would throw up the pictures and see what you all think.

As you can see in the pictures, the only Serotta marking I see is on the side of the front fork. The Serial number is BR5815. Only other marking on the bike is the tube manufacturer. Please let me know what you think. Loving the way the bike is riding so far! I have been on a Giant TCR Alliance (part Carbon / part aluminum) and this thing is a much smoother ride.

dave thompson 08-07-2020 10:29 PM

Your bike doesn’t look like a Serotta to me. Does the bike have the Serotta “S” stamped on the rear brake bridge? If it does it’s a Serotta. If not it’s something else.

Serotta’s serial numbering was very different than what is on your bike.

mokofoko 08-09-2020 05:03 PM

What does that materials decal say? Sandulc seamless titanium? Couldn't find anything on google

dave thompson 08-09-2020 05:13 PM

Quote:

Originally Posted by mokofoko (Post 2773375)
What does that materials decal say? Sandulc seamless titanium? Couldn't find anything on google

Sandvic,a titanium tubing supplier.

I don't know if Serotta ever used that tubing but they never put someone elses' brand on their bikes other than Columbus.

mokofoko 08-09-2020 05:35 PM

Quote:

Originally Posted by dave thompson (Post 2773383)
Sandvic,a titanium tubing supplier.

I don't know if Serotta ever used that tubing but they never put someone elses' brand on their bikes other than Columbus.

Ahh, looks like you're right (certainly does look like "vic"), though I'm only finding hits for "sandvik" online (with decals to match that spelling). I'd heard of some Russian-made frames that were sold as serottas in the 2000s... not sure what serial prefix they used.

soccerbj1171 08-09-2020 09:37 PM

BR Serial Number
 
Thanks for the feedback.

The material stamp is Sandvic 3al 2.5v seamless titanium, which is a large titanium supplier.

I checked the brake bridge but do not see any Serotta marks. Only Serotta mark I can find is the one on the side of the front fork.

On page 9 of this forum, another member Alli asked about BR serial number but there wasn’t much else.

soccerbj1171 08-09-2020 10:21 PM

Dave - I think you are right the more I look into it. I found this bike and it looks much more similar to what I have. Looks like it might be made by TST which was the bike manufacturing line for Sandvik. Gonna keep digging to see if I can match the serial number.

https://m.pinkbike.com/buysell/2365839/

dave thompson 08-09-2020 10:24 PM

TST was the maker I was trying to think of. They were pretty active at the start of Ti frames in the 90s. TST was generally well thought of.

oaklandhillsca 08-17-2020 11:28 AM

Year of Serotta build
 
SN is CTi57 3632 - with this information can the rough build year be identified?

oliver1850 08-30-2020 04:31 PM

There is some mid 2000s Legend serial number information here:

https://forums.thepaceline.net/showt...+serial+number

Still looking for numbers closer to yours.

Here's a thread on #3136. Consensus was that it is probably built in 2000.

https://forums.thepaceline.net/showt...ht=1999+Legend

Guessing that yours would be 2001 or 2002. Fork and frame details might pin it down closer.

rdv 09-24-2020 03:13 PM

Adding a Cour D'Acier variant
 
Don't see my Cd'A IDed on list, so may want to add, though there's nothing particularly unusual about the frame: steel with carbon fork and seat stays (built in 2008, monitored by K. Bedford). Serial is C-CE-61-000xx.

rdv 09-24-2020 06:47 PM

Sorotta Legend serial number
 
A frame posted on ebay claims to be a Legend Ti, but does not sport the label on the top tube, lacks tube identifying decal, has inverted "serotta' decal on seat tube. Authentic? It shows the serial number as TI59L844. Insights appreciated.

https://www.ebay.com/itm/Serotta-Leg...53.m1438.l2649

Keith A 09-24-2020 07:16 PM

rdv -- Others will know better than I, but the serial number looks correct as does the seat tube clamp. Since this is a Ti frame, the head tube decal could have easily been put on upside down.

oliver1850 09-25-2020 12:45 PM

It's a fairly old (1994) Legend, decals have probably been replaced at least once. I am fairly sure of the age as I have a Coors Light frame with a serial number that's less than 5 away. 1994 was the last year for the Coors Light team, seems unlikely that Serotta would have painted any bikes in team paint after they folded.

rdv 09-25-2020 03:17 PM

Quote:

Originally Posted by oliver1850 (Post 2801287)
It's a fairly old (1994) Legend, decals have probably been replaced at least once. I am fairly sure of the age as I have a Coors Light frame with a serial number that's less than 5 away. 1994 was the last year for the Coors Light team, seems unlikely that Serotta would have painted any bikes in team paint after they folded.

Thanks. Doubted that Serotta would have let out of the shop with decals that way. Curious if the L in the serial number has some particular meaning.

Keith A 09-25-2020 03:24 PM

Quote:

Originally Posted by rdv (Post 2801426)
Thanks. Doubted that Serotta would have let out of the shop with decals that way. Curious if the L in the serial number has some particular meaning.

The "L" means long top tube. For a while they were using this in their serial numbers, but it seems like all of them from those years had the "L" in there.

oliver1850 09-26-2020 01:21 PM

As Keith mentioned, earlier in the decade Serotta offered different top tube lengths on their steel frames. For example the standard geometry 58 cm frame had a 57 cm top tube, the long (58L) had a 58 cm TT, and the extra long (58X) had a 59 cm TT. In 1995 Serotta dropped the optional lengths and the L lengths became standard on 53 to 62 cm stock frames. The stock Ti frames were all built with the L geometry.

Mike Bryant 10-08-2020 09:09 PM

Quote:

Originally Posted by Marcy (Post 1187351)
I've got a Ti Concours Cross bike that starts with CU, so I'm guessing that a CU prefix means Concours. I haven't seen the Concours model discussed in this thread, so I thought I'd share.

The rest of the code follows the modern 'rules' -- the second grouping is the size (59) and the third I assume is the number made (003)

Great bike, a keeper.

-- Marc


Marc

I recently acquired CU 59 005. Indeed a great bike for my gravel riding adventures. I did change the brakes from TRP 8.4 mini-v’s to polished Paul MiniMotos. Thought you’d like to see it.

https://uploads.tapatalk-cdn.com/202...f4e279ab0d.jpg

Mike


Sent from my iPhone using Tapatalk

Texstever 10-28-2020 07:28 AM

Serial Number in Question by new member
 
I recently purchased a Serotta Colorado from the "son of the original owner" which I thought questionable. Anyway, the serial number looks to be TG5600052. the stamping of the "TG" is very faint so I'm not 100% certain. Bike frame is made with the Prestige TL tubing and is a dark metallic green. Anyone have an idea of the year for this frame? Certain its a 90's model just not certain of exact year. The frame is in very good shape and I've been working to build it up for riding the local roads.
Thanks!

dave thompson 10-28-2020 11:08 AM

Quote:

Originally Posted by Texstever (Post 2819462)
I recently purchased a Serotta Colorado from the "son of the original owner" which I thought questionable. Anyway, the serial number looks to be TG5600052. the stamping of the "TG" is very faint so I'm not 100% certain. Bike frame is made with the Prestige TL tubing and is a dark metallic green. Anyone have an idea of the year for this frame? Certain its a 90's model just not certain of exact year. The frame is in very good shape and I've been working to build it up for riding the local roads.
Thanks!

According to your serial number, you’ve got a Colorado TG model, which was TIG welded construction rather than lugged and brazed, and yours was the 52nd one built which would have been in 1992.

The ‘92 Serotta catalog is here: https://forums.thepaceline.net/attac...6&d=1291899485

Texstever 10-29-2020 04:46 PM

1992.
 
1 Attachment(s)
Dave, thanks for the reply. How did you determine year? One thing I noticed is the bike, although made from LT tubing, does not have LT after Colorado decal. Maybe a year or two later model. I don’t think it ever had downtube shifters on it. Image of the bike after I cleaned it up some attached.

Keith A 10-29-2020 04:55 PM

Determining the year is a bit of guess work. The frames' serial numbers are based on the model and then the production number of that model. You can use the catalogs as a reference as to when a particular model was available, and so you can usually narrow this down to a guesstimation of the year it was built.

dave thompson 10-29-2020 05:01 PM

Quote:

Originally Posted by Texstever (Post 2820466)
Dave, thanks for the reply. How did you determine year? One thing I noticed is the bike, although made from LT tubing, does not have LT after Colorado decal. Maybe a year or two later model. I don’t think it ever had downtube shifters on it. Image of the bike after I cleaned it up some attached.

My guesstimate of the year is based on the LT was first shown in the '92 catalog and yours was the 52nd built, according to the serial number.

LT is not the tubing but the method of tube joining, TIG welded instead of lugged. The lack of the LT decal isn't terribly significant.

Your bike has cable stops on the downtube, which could have replaced downtube shifters on the shifter bosses.

oliver1850 11-02-2020 11:43 AM

Agree with what Dave said, except it's a TG (tig welded), not an LT (lugged). Both had Tange Prestige tubing as standard, but I have it from a reputable source that Serotta often substituted tubing depending on what they had in stock. The TG was the first tig welded Serotta road frame. It was introduced in 1992 and your #52 was surely made that year.

dave thompson 11-02-2020 12:22 PM

Quote:

Originally Posted by oliver1850 (Post 2822377)
Agree with what Dave said, except it's a TG (tig welded), not an LT (lugged). Both had Tange Prestige tubing as standard, but I have it from a reputable source that Serotta often substituted tubing depending on what they had in stock. The TG was the first tig welded Serotta road frame. It was introduced in 1992 and your #52 was surely made that year.

You’re right, old guy brain fart. Thanks.

jamin_gwee 11-04-2020 04:13 AM

2000 Hors Categorie Serial Number
 
2 Attachment(s)
Hi!

I recently acquired a 2000 Hors Categorie custom frameset that is on its way to me now. I understand the serial number: C CH 48 200 indicates that it is a custom geometry Hors Categorie with a seat tube of 48cm C-C. Do you think the 'CH' in the serial number is an error that supposed to read 'HC' for 'Hors Categorie'?

I requested for an elevation shot of the frame from the seller to do some measurements on CAD before buying. Due to the photograph perspective distortion, I'm not 100% certain on the measurements but here are some preliminary measurements extrapolated from CAD based on the seller's provided C-T seat tube measurement of 51cm.

Top Tube C-C: 52cm
Seat Tube C-C: 48cm (as confirmed with the serial number)
Chainstays: 42.5 - 43cm (looks really long but maybe due to perspective distortion)
Headtube: 12.5cm

This paint livery is very interesting and seems to be used only on the Meivici and never on the Hors. I've never seen this shade of blue before on a Serotta too. Decals look to be all intact from the photos so I think it is a Serotta factory job. I'm thinking this Hors is from 2000 because of the metal headbadge and 'non XL' 3D dropouts.

Seller is not the first owner and got this frameset from a local shop that dealt with Serotta. Appreciate any input on this frameset. I will receive this frame in about 2 weeks time. Thank you!

Keith A 11-04-2020 06:42 AM

Quote:

Originally Posted by jamin_gwee (Post 2823756)
...
Do you think the 'CH' in the serial number is an error that supposed to read 'HC' for 'Hors Categorie'?

Interesting, it certainly seems like that might be the case.

oliver1850 11-08-2020 01:37 PM

I agree with Keith, likely just a mistake. Nice Hors Categorie.

richarddd 11-28-2020 12:40 AM

1 Attachment(s)
appreciate the work you all have put in. I recently picked up ti bike #808, a 1994 Colorado ti off fbmp from the original owner. who has a newer head badge for sale? the sticker on the head tube just seems cheap for such a quality frame.

farmerjosh 12-15-2020 05:01 PM

1 Attachment(s)
Quote:

Originally Posted by cueoner (Post 2689627)
I'm not so sure that 52cm is the smallest. I just picked up a Colorado LT yesterday and it's a 51cm.

https://i.ibb.co/s2qgW6v/IMG-6950.jpg
https://i.ibb.co/Xpw6b3c/IMG-6949.jpg

I just picked up a Colorado LT that's a 49. TC 49 2239. Interestingly it doesn't have lugs at the head tube or the BB. I could see not using them on the tiny head tube, but the BB lug omission is puzzling. Oh well, I like the fade.

sighting 01-29-2021 10:44 AM

Hors Categorie
 
1 Attachment(s)
Well I decided to rebuild my late fathers Hors Categorie

It was ransacked soon after him buying it many many moons ago in SF.
Actually our first bike ride together.

Serial on it does not match the decoder.

CTI 55 45xx

I am hoping to rebuild it but I don't even know where to start to find out what group sets it came with and/or if I should use old stock or newer components.

oliver1850 02-05-2021 03:37 PM

That's an interesting serial number as it's the code normal used for custom Legends. Hors is normally HC, but there was one posted recently that was stamped CH.

oliver1850 02-05-2021 03:41 PM

Quote:

Originally Posted by farmerjosh (Post 2846962)
I just picked up a Colorado LT that's a 49. TC 49 2239. Interestingly it doesn't have lugs at the head tube or the BB. I could see not using them on the tiny head tube, but the BB lug omission is puzzling. Oh well, I like the fade.

My guess is that no lugged shell existed for the Colorado down tube for a frame that small. The early Colorados and CIIs were also filet brazed at the bottom bracket until Serotta had lugged shells made.

oliver1850 02-05-2021 03:44 PM

Quote:

Originally Posted by richarddd (Post 2836822)
appreciate the work you all have put in. I recently picked up ti bike #808, a 1994 Colorado ti off fbmp from the original owner. who has a newer head badge for sale? the sticker on the head tube just seems cheap for such a quality frame.

I have seen them pop up occasionally on ebay. You might check with member and former Serotta dealer coolplanetbikes as he has had some NOS parts.

Keith A 02-05-2021 04:17 PM

Quote:

Originally Posted by oliver1850 (Post 2876439)
That's an interesting serial number as it's the code normal used for custom Legends. Hors is normally HC, but there was one posted recently that was stamped CH.

I guess they might have considered this a custom Legend??


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