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Mystery Bianchi

Old 06-01-13, 02:46 PM
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Mystery Bianchi

I have a Bianchi that I am trying to find out more about. I feel it may have been repainted, not sure because it still has the bike shop decal, but no others. The shop is out of business. Has the circle B stamp on the frame on the top of the seat stays, and the rear drop outs say "Bianchi". Fork is an Easton carbon fork which I feel was an upgrade. It has mostly Dura-Ace 9 speed which also may not be original. It has Cinelli stem and bars. The top tube cable goes through the frame. Down tube shifters. I can't quite make out the serial number. So, can you tell me what year and model Bianchi this is? What is the frame tubing? Thanks.
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Old 06-01-13, 08:51 PM
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Serial number in conjunction with lack of pump peg indicates 1985 and Italian built. However this one has conflicting features. Internal brake routing was only on the Centennario but it and other upper models did not have forged rear droputs with eyelets, which are typical of lower mid-range models. These apparent conflicts may indicate a foreign model or possibly modifications given the repaint. Unfortunately, the OEM fork is gone and that would be a big clue as to the level. What's the seat post size?

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Old 06-01-13, 10:50 PM
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The seat post size is 27.2. Here is a better picture of the dropouts. The pictures I saw of the Centennario shows it without the circle B, but rather the name Centennario. It also had a different brake bridge.

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Old 06-02-13, 07:06 AM
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There's lots of other differences on the Cenntenario too, like a unique serial number format, bottom bracket cut-outs, a brazed-on front derailleur tab, chrome, etc. However, I didn't want to confuse matters with a lot of detail.

The 27.2mm post suggests a Matrix or SL based frame though it was spec'd as Bianchi Speciale tubing during this period. It's really unfortunate that the fork is gone as we couild have used it determine if the frame was an upper model with a full SL tubeset or a mid-range model with tretubi SL or Matrix.

Currently, I'm leaning towards a mid-range frame on the basis on the eyelets and the fact that the other upper end models like the Mondiale and Campione appear to have used Campagnolo dropouts. Forum member Bianchigirll may have some additional insight.
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Old 06-02-13, 11:21 AM
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I apparently need 50 posts before I can message her. I hope she is reading because it would be silly to have to type 47 messages first. Thank you for your help.
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Old 06-02-13, 03:31 PM
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Originally Posted by Jicafold View Post
I apparently need 50 posts before I can message her. I hope she is reading because it would be silly to have to type 47 messages first. Thank you for your help.
If she doesn't show uo in the bext 24 hours or so, I'll send her a PM on your behalf. .
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Old 06-03-13, 06:12 PM
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Interesting Bianchi. The paint scheme certainly seems to be a repaint. How about a pic ot two of the internal cable routing? I think maybe someone added that for some reason while repainting. The shop decal could have been applied anytime, maybe the shop had the painting and upgrades done for a customer and put their decal on it, they took it in trade at one time or it was owned by an employee.

The circle B would make me thing no earlier than '85.

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Others but still loved,; '80 RIGI, '80 Batavus Professional, '87 Cornelo, '09 Motobecane SOLD, '?? Jane Doe (still on the drawing board), '90ish Haro Escape
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Old 06-03-13, 09:42 PM
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Thank you. Here are some photos of the internal cable routing. It enters on the top of the tube and exits on the left side.

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Old 06-04-13, 06:23 AM
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Actually I think that is a homemade job. I think if a pro did it there would be some form of reinforcement around the hole.



I suspect this one of the many mid to upper level Columbus tubed Bianchis from the early to mid '80s but just which one... we may never know. It could be one of the Columbus/Falck bike or all Columbus SL. As long as you don't see any cracking or other stress marks on the TT near those holes ride it and enjoy.

OH yeah how does that second bottle mount? Are there bosses? rivnuts or just two holes and some sheetrock screws?
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Others but still loved,; '80 RIGI, '80 Batavus Professional, '87 Cornelo, '09 Motobecane SOLD, '?? Jane Doe (still on the drawing board), '90ish Haro Escape
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Old 06-04-13, 03:46 PM
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Sheetrock screws? Don't tell me someone has actually done that. I feel nauseous. Then again I cut up a vintage Raleigh once with the intentions of making a desk lamp.

The second bottle mount on the seat tube is the real deal. See photo. Is that another clue? But it's possible those could have been brazed on by someone too. I was hoping the brake bridge photo in my first message would be helpfull. I sure wish I knew what I am riding here. I'm considering repainting it Celeste.

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Old 06-07-13, 02:22 PM
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Bump. Bianchi Girl?
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Old 06-07-13, 05:26 PM
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I am not sure about the sheetrock but members here have found nice bikes where someone just drilled a hole and use some machine screws to put a bottle on.

As for this bike I think it shall remain a mystery. The GipMe brake bridge definitely points to an Italian build so it is likely a Cloumbus frame of some stripe but which one.... we may never know.

I agree with T-Mar most of the fetures point towars an '85ish frame but someone made some modifications to it. Is there a tube inside the TT for the cable or does the housing run through it?
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Others but still loved,; '80 RIGI, '80 Batavus Professional, '87 Cornelo, '09 Motobecane SOLD, '?? Jane Doe (still on the drawing board), '90ish Haro Escape
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Old 06-08-13, 08:59 AM
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Ah-ha!!! There is some evidence that the cable going through the top tube is original rather than made by a drill wielding crazy with sheetrock screws in his pocket. At least that's how it looks to me. Hmmm. Scratches head.

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Old 06-11-13, 06:07 AM
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Bump. Bianchi Girl?
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Old 06-11-13, 06:21 AM
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I give up. There may be something special here but who knows. If I remember later today I'll see if I can find a email for a guy at Bianchi who may be able to help
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Old 06-11-13, 07:15 AM
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Originally Posted by Jicafold View Post
Ah-ha!!! There is some evidence that the cable going through the top tube is original rather than made by a drill wielding crazy with sheetrock screws in his pocket. At least that's how it looks to me. Hmmm. Scratches head.


I doubt the factory would leave tool marks from a tap in the hole. Also, I would think the factory would be smart enough not to drill a tube in the top, where rainwater can enter.
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Old 06-11-13, 07:24 AM
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Originally Posted by oddjob2 View Post
I doubt the factory would leave tool marks from a tap in the hole. Also, I would think the factory would be smart enough not to drill a tube in the top, where rainwater can enter.

Actually I think most of the early internal cable routing was on the top of the tube until aero cables made side or under routing more practical.
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Others but still loved,; '80 RIGI, '80 Batavus Professional, '87 Cornelo, '09 Motobecane SOLD, '?? Jane Doe (still on the drawing board), '90ish Haro Escape
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Old 06-11-13, 07:47 AM
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Originally Posted by oddjob2 View Post
I doubt the factory would leave tool marks from a tap in the hole. Also, I would think the factory would be smart enough not to drill a tube in the top, where rainwater can enter.
I don't think they are tap marks. It looks like somebody stripped a piece of cable housing and brazed it in place. If you look at the edges of the opening, you can make out what appears to be the cross-cut of the coil. I still think this is an aftermarket modification, like much of the rest of the frame.
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Old 06-11-13, 11:20 AM
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Brazing in a stripped piece of cable housing sounds like a lot of work and if I were to braze some type of tube there I would use a real tube. Besides, the cable slides into that hole so the material they would have used would have to be a larger diameter than cable housing. It would have to be bigger than the standard size cable and the housing for the cable to be able to slide into the frame.
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Old 06-13-13, 05:31 AM
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Bianchi Girl...were you able to contact your friend at Bianchi?
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Old 06-13-13, 05:54 AM
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+1 about early TT internal cable routing coming from the top....Just take a look at 80's Gitanes (Criterium and I think, the TDF) and Vitus 979s......Some Italian bikes that have TT internal routing had bigger openings with Cinelli oval shaped plastic bungs/bosses that reduces the opening to the size of the cable But as noted already, Most makers include some sort of reinforcement at the openings or at least a small extension of the tube that the cable and housing goes through. Those visible tool marks at the opening is unusual. are they threading of some sort?? If it's home made, it looks a bit cleaner done than ones I've seen so there's still a chance it was done by a builder as a mod on the frame.
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Old 08-16-13, 06:22 PM
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Update. The bottom bracket has italian threading.
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