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Bianchi Quattro info needed

Old 03-22-12, 06:38 PM
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w98seeng
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Bianchi Quattro info needed

I saw this Bianchi Quattro for sale ($175) and this is the only info given...

23" Columbus frame (Cromor) making it light yet sturdy to last.
Equipped with;
Quattro 21 speed shifting equipment, (it's actually 14 speeds as it's only a double front)
Modolo brakes,
original Bianchi saddle,
engraved handlebars with ITALMANUBRI and ITM MOD. MONDIAL with Made in Italy and
FIR EL19 tire frames.
I would guess it to be around 1988 (or so) and it looks like it's in very nice shape.

Is $175 a decent price and does it leave any room to make a couple of bucks flipping it?

Thanks,
Ian


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Old 03-22-12, 08:06 PM
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Are you in Canada? The color is off for a US market bike but it looks and sounds like a '89 Campione de Italia.



$175 is a decent price for this.
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Old 03-22-12, 08:35 PM
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Agree $175 is pretty decent. With a little "show+shine" you could get $250 as a flip (hint: sell the rack seperately).
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Old 03-22-12, 08:59 PM
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Originally Posted by Bianchigirll View Post
Are you in Canada? The color is off for a US market bike but it looks and sounds like a '89 Campione de Italia.



$175 is a decent price for this.
Yup, Canadian as charged. I always likes the green, but this is a very nice blue.

Originally Posted by thinktubes View Post
Agree $175 is pretty decent. With a little "show+shine" you could get $250 as a flip (hint: sell the rack seperately).
Yeah, the rack is a gonner if I get the bike.
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Old 08-30-19, 11:43 AM
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Quattro bottom bracket tech advice

Hello everyone! I am new to the site and am looking for advice. I just acquired a Bianchi Quattro partial bike minus bottom bracket, crankset and seat post. Made the mistake of assuming this was a Japanese model. Needless to say my English threaded BB will not be used. I am not familiar with Italian threaded specs at all. Anything I need to be aware of? Once I install the proper square tapered BB can I then use a Shimano crankset or are the cranksets also propriatory? Second, anyone know what the seat post diameter needs to be for this frame as 27.2 is too big? Finally, if you were building this up would you use stock "Quattro" branded kit or switch over to Shimano 600 Arabesque. I have the entire 600 groupset in a bin waiting to be installed on steel. Thanks in advance.
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Old 08-30-19, 01:35 PM
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Welcome to the forums. A Shimano 600EX (i.e. Arabeseque) group is more dated than the Quattro group. The Quattro derailleurs by SunTour are indexed but even in friction mode should outperform 600EX due to the slant parallelogram design. The Modolo manufactured Quattro brakes have aero cable routing which 600EX doesn't. Hubs and headset would be comparable. Unless the Quattro is really worn or scarred, I would leave it on the bicycle.

The Quattro I've seen have all been Columbus Cromor, which uses a 27.2mm seat post. Maybe your cinch slot is slightly pinched? Try gently prying it open with a wide, flat bladed screwdriver, until the slot is slightly wider at the top than the bottom.

With the exception of the SR Silver ctranksets, all square taper cranks and spindles are 2 degree taper. Consequently they will be compatible but there are slight diiferences in the lentht and end width of the taper that affect the amount of engagement and consequently the chain line. Getting a satisfactory chain line is often a case of trial and era by trying different spindle lengths..

All Italian square taper bottom brackets are 70mm shell width and 36mm x 24 TPI threading. The only variable is the spindle length, necessary to achieve the proper chain line with the chosen crankset. The only precaution during installation is that the fixed cup is right hand threaded, as opposed to the left hand thread used on English fixed cups. Otherwise, treat them as any other bottom bracket.
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Old 08-30-19, 02:01 PM
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Thanks for the quick feedback. I did some pre-season before posting and have been impressed by your technical knowledge. More questions to follow ... like to re-paint or not. Pretty worn paint in a few spots.
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Old 08-31-19, 10:27 AM
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I'd use most anything but Quattro. Suntoru, Ofmega, and Modolo all make good stuff but the Quattro wasn't their best effort. as pointed out the 600 Arabesque is older than the frame but would look good on it.
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Old 08-31-19, 12:57 PM
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Thanks Bianchi Girl. Reflecting upon previous reading you and T-Mar know your business. The Arabesque stuff is really nice craftsmanship and that is why I would consider putting it on an anachronistic by beautiful Celeste frame. Lots to do this winter as I will be doing work on 3 Bianchis and one Montini ... whatever that is. It had a nice full 105 grouppo so I snagged it for 25$ CAD. Any thoughts on Golden Arrow components on one ofb he Bianchis?
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Old 08-31-19, 03:46 PM
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Should work just fine.
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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 09-09-19, 02:42 PM
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Quattro seat rube

Originally Posted by T-Mar View Post
Welcome to the forums. A Shimano 600EX (i.e. Arabeseque) group is more dated than the Quattro group. The Quattro derailleurs by SunTour are indexed but even in friction mode should outperform 600EX due to the slant parallelogram design. The Modolo manufactured Quattro brakes have aero cable routing which 600EX doesn't. Hubs and headset would be comparable. Unless the Quattro is really worn or scarred, I would leave it on the bicycle.

The Quattro I've seen have all been Columbus Cromor, which uses a 27.2mm seat post. Maybe your cinch slot is slightly pinched? Try gently prying it open with a wide, flat bladed screwdriver, until the slot is slightly wider at the top than the bottom.

With the exception of the SR Silver ctranksets, all square taper cranks and spindles are 2 degree taper. Consequently they will be compatible but there are slight diiferences in the lentht and end width of the taper that affect the amount of engagement and consequently the chain line. Getting a satisfactory chain line is often a case of trial and era by trying different spindle lengths..

All Italian square taper bottom brackets are 70mm shell width and 36mm x 24 TPI threading. The only variable is the spindle length, necessary to achieve the proper chain line with the chosen crankset. The only precaution during installation is that the fixed cup is right hand threaded, as opposed to the left hand thread used on English fixed cups. Otherwise, treat them as any other bottom bracket.
Aha I figured out why 27.2 does not fit. There is a shim adhered to the inside of the tube. Now I have to figure out what size seat post frame was shimmed for. Thanks T-Mar.
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Old 09-23-19, 10:01 PM
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Originally Posted by Bianchigirll View Post
I'd use most anything but Quattro. Suntoru, Ofmega, and Modolo all make good stuff but the Quattro wasn't their best effort. as pointed out the 600 Arabesque is older than the frame but would look good on it.
Hi BG - Are the Quattro derailleurs Ofmega or Suntour?
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Old 09-24-19, 08:03 AM
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Originally Posted by Dannyboy21 View Post
Hi BG - Are the Quattro derailleurs Ofmega or Suntour?
The matching Quattro shift levers had Accushift labels, so they were re-branded SunTour. Specifically, the derailleurs appear to be re-branded SunTour Cyclone 7000, so the indexing is 1st generation Accushift and not up to SIS standards.
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Old 09-25-19, 05:06 AM
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Originally Posted by T-Mar View Post
The matching Quattro shift levers had Accushift labels, so they were re-branded SunTour. Specifically, the derailleurs appear to be re-branded SunTour Cyclone 7000, so the indexing is 1st generation Accushift and not up to SIS standards.
Thanks T-Mar. I will have more questions soon about my new to me Marinoni.
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Old 09-25-19, 01:59 PM
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Other than the transfer on the TT, does the Quattro frame differ somehow from the Cd'I? Were the two models offered concurrently?
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