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Is this bike 52cm?

Old 07-21-16, 12:43 AM
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TheMad_Arrow
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Is this bike 52cm?

Sorry for making another post, i was wondering if anyone could tell me if this bike is 51-52cm and if it's worth the price. I believe it's a 2002 Bianchi Brava:
https://offerupnow.com/item/detail/9...do-velocispeed

Thank you
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Old 07-21-16, 01:53 AM
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That bike is WAY bigger than 52 cm. More like 58. And significantly overpriced.

When looking at steel road bikes with a horizontal top tube, one of the easiest ways to estimate size is the distance between the top tube and down tube where they meet the head tube (where the fork passes through the frame). On a 52 cm frame, the top tube and down tube are going to be pretty darn close to one another -- maybe about an inch apart.
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Old 07-21-16, 06:27 AM
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oddjob2
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The Bianchi is probably a 57cm seat tube.
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Old 07-21-16, 02:13 PM
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I would say it is a 57 also as it is currently set up good for a rider about 5'10".
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Old 07-21-16, 02:29 PM
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I agree that it's much larger than a 52 cm, though I was going to say ~ 56 cm (c-t-c)
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Old 07-21-16, 05:30 PM
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I'll post a pic from my own library of some popular frame sizes to give you an idea of what to look at when you are looking at head tube sizes



This bike is a 52, but its measured center to top of top tube instead of center to center, -- so its more like a 51




\This bike is a 53- center to center - you'll note there is a little bit of space at the head tube between the top tube and down tube intersection points, but not too much




Another 53c bike




This bike is a 54 -- not much different looking than the 53, but the top tube is longer



Cannondales are a little harder to eyeball size because the tubes are so big, but this one is a 54.5



This one is a 56 or 57 -- its a pic of Armstrongs old bike from 1994 or 5



This one is a 60c --- you see anything this size -- click to the next one- I built this for a guy and its so big I couldn't event test ride it



Basically at 5'6 --- you need something maybe a squish bigger than the first blue bike , but it would likely work --- and a 53 like blue bike #2 at the upper limit



This little Raleigh is a 48 - if you see something this size, your going the wrong way also -- this ones good for someone between 5'2 and 5'4 maybe


Last edited by DMC707; 07-21-16 at 05:36 PM.
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Old 07-21-16, 05:57 PM
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DMC707 nicely done! This should be a sticky for bike sizing.
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Old 07-21-16, 10:26 PM
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Originally Posted by blakcloud View Post
DMC707 nicely done! This should be a sticky for bike sizing.

Gracias ! C&V is like show and tell for most of us anyway

But as I was thinking about the OP's conundrum, I did think that it was a pain in the neck somewhat --- it can be tough to eyeball these things unless they are stereotypical steel machines

The Univega I pictured has slightly os tubing (but is labelled Columbus Thron ) -- it looks smaller than it is

The Centurion I depicted , and the Cannondale Criterium model - do not look far off from 52-53'ish either , but the top tube lengths on both are a real stretch -- don't get me started on anything with a dropped top tube --- My late model carbon bike is a 51 (but is supposed to equal 54 with a straight top tube)
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Old 07-22-16, 02:06 AM
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thank you, really helpful
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