Italian Columbus frame size stated 59-59cc, is this a 59cm frame?
01-20-14, 04:17 PM
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Italian Columbus frame size stated 59-59cc, is this a 59cm frame?
No more dimensions are given.. I take it this is a normal 59cm frame?
Squse the stupid question...
Squse the stupid question...
01-20-14, 04:20 PM
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TT = Top tube
ST = Seat tube
BB = Bottom bracket shell
Could be a "square" 59cm TT x 59cm ST frame, with most likely the ST measured center of BB to center of TT.
ST = Seat tube
BB = Bottom bracket shell
Could be a "square" 59cm TT x 59cm ST frame, with most likely the ST measured center of BB to center of TT.
01-20-14, 04:26 PM
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Not necessarily and not a stupid question. Sometimes interpreting bike descriptions is difficult. It probably is a 59cm (seat post) frame though, interpreting the "cc" as meaning "centre to centre". As you no doubt know, there is a couple of common ways of measuring and describing the seat tub height - from the centre of the bottom bracket to either the centre of the top tube measured along the centreline of the seat tube or to the top of the top tube measured along the centreline of the seat tube - about a 15mm difference. Both ways have their advocates.
01-20-14, 04:27 PM
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Yes, I would interpret that as 59cm center of BB to center of top tube *AND* 59cm center of seat tube to center of head tube............AKA.. 59 squared
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01-20-14, 05:12 PM
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Not necessarily and not a stupid question. Sometimes interpreting bike descriptions is difficult. It probably is a 59cm (seat post) frame though, interpreting the "cc" as meaning "centre to centre". As you no doubt know, there is a couple of common ways of measuring and describing the seat tub height - from the centre of the bottom bracket to either the centre of the top tube measured along the centreline of the seat tube or to the top of the top tube measured along the centreline of the seat tube - about a 15mm difference. Both ways have their advocates.
Best way to confirm is by physically measuring the frame....
01-20-14, 05:17 PM
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I agree, it's probably a frame where both seat and top tubes measure 59 cm center to center. That is fairly typical Italian geometry. Were I interested in it for my own use, I would want to know the seat tube center to top dimension, which is probably 61.
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Last edited by rhm; 01-21-14 at 06:59 AM.
01-21-14, 02:37 AM
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Great, thanks.
We're talking a beautiful hand built Italian Carlė frame here, that I will not be able to measure, so will have to gamble.... :-) My size would be a 61, as I'm about 6'2, but this will be a leisure ride and short family rides - bike which I'll fit with some retro flat bars..
We're talking a beautiful hand built Italian Carlė frame here, that I will not be able to measure, so will have to gamble.... :-) My size would be a 61, as I'm about 6'2, but this will be a leisure ride and short family rides - bike which I'll fit with some retro flat bars..
01-21-14, 04:36 AM
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I have taken a more “seat of the pants approach with is set the seat height to 74 and ride it. If it feels comfortable it fits; if it does not then it does not fit.
01-21-14, 07:46 AM
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+1 on the likely dimensions being center to center, 59cm TT and ST. This would be slightly too big for me whereas a 59cm center to top ST would be okay.
If you normally ride a 61, I'd say jump at it NOW! You can make up the difference with a stem which has more forward reach, a longer seat post, some saddle adjustment, etc. My ideal frame size of "typical" dimensions (if there is any such thing) would be 58c-c and some (most?) of my bikes are 59 c-t, but the Masi frame I was given is a 56 c-t. I'm comfortable on all of them but the Masi is my favorite performance bike to ride.
If you normally ride a 61, I'd say jump at it NOW! You can make up the difference with a stem which has more forward reach, a longer seat post, some saddle adjustment, etc. My ideal frame size of "typical" dimensions (if there is any such thing) would be 58c-c and some (most?) of my bikes are 59 c-t, but the Masi frame I was given is a 56 c-t. I'm comfortable on all of them but the Masi is my favorite performance bike to ride.
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