Technical & Reference Section > Tech and Restoration

Frame Advice

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Trev:

--- Quote from: stevemcintosh on January 26, 2008, 11:26 AM ---
--- Quote from: Trev on January 26, 2008, 11:16 AM ---if anything, i'd expect the top tube to be slightly shorter than stated as they are measured from slightly different places sometimes (i.e. centre of headtube to centre of seat tube), but i wouldn't expect it to be longer.

--- End quote ---


I thought center to center across top tube was a standard way to measure Top Tube Length?

--- End quote ---

I would have thought so.

lodge:

MartyC:
It looks if you measure the centre of the top tube all the way along the length of the tube you will get 20.5", but try it and see what you get.  You are measuring a diagonal based on the pic you've posted.  It's subjective as it has a sloping top tube so in reality it is the equivalent of a traditional 21.5" frame that does not have a sloping top tube.  Hope this makes sense  :daumenhoch:

lodge:

--- Quote from: MartyC on January 26, 2008, 04:49 PM ---It looks if you measure the centre of the top tube all the way along the length of the tube you will get 20.5", but try it and see what you get.  You are measuring a diagonal based on the pic you've posted.  It's subjective as it has a sloping top tube so in reality it is the equivalent of a traditional 21.5" frame that does not have a sloping top tube.  Hope this makes sense  :daumenhoch:

--- End quote ---


Thanks Marty, I still get 21.25 if I measure along the center of the top tube, In your opinion is it a medium or an XL frame.

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