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Colnago sizing

Old 08-31-05, 10:01 PM
  #1  
Boise_Pedaler
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Colnago sizing

Anyone know how Colnago measures their frame size for a traditional geometry frame? From what I can tell on their website it looks as if they measure from center of bottom bracket to top of seat tube. I own two other road bikes that measure differently. A 54cm Cannondale which measures c-c and a 56cm Trek which measure center to top of seat tube. This makes them roughly the same size. Considering this, would I need a 54 or 56 Colnago?

Thanks
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Old 08-31-05, 11:10 PM
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trayer350
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A 53 ct Colnago is like a 51 cm seat height on another bike. Look at the competitivecyclist.com website for confirmation.
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Old 09-01-05, 07:13 AM
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sydney
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Originally Posted by Boise_Pedaler
Anyone know how Colnago measures their frame size for a traditional geometry frame? From what I can tell on their website it looks as if they measure from center of bottom bracket to top of seat tube. I own two other road bikes that measure differently. A 54cm Cannondale which measures c-c and a 56cm Trek which measure center to top of seat tube. This makes them roughly the same size. Considering this, would I need a 54 or 56 Colnago?

Thanks
Check TT length comparison. nominal seattube is relatively meaningless.....AFWIW, last time I checked,Cdale measured C to top of toptube not C_C.
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Old 09-01-05, 09:06 AM
  #4  
Al1943
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Your assessment of how Colnago and Trek measures their bikes is correct. The biggest consideration when comparing Colnago to other bikes is the top tube length. Colnogos have a shorter top tube than the other bikes you have mentioned. Many of the Colnagos are available in one cm increments.
I ride a 56 Trek 5500 and a 55 Colnago C50. The C50 fits me better because I have a short torso for my height, 5'8". I have a 90mm stem on the Trek and a 105mm stem on the Colnago. The standover clearance on my two bikes is about the same. The C50 is lighter, has a better ride, and handles much better. The Trek is stiffer, laterally and vertically. The only real complaint I have with the Trek is that the top tube is too long for me. Both are good bikes.

Al
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Old 09-01-05, 10:17 AM
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You might take a look at this article:

http://www.bikesportmichigan.com/reviews/colnago.shtml

It has some interesting info on sizing them.
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