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Old 06-06-13, 05:52 AM
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Originally Posted by Cannon View Post

My competitive cyclist fit calculator (oh so scientific) says I should have the following:

Please keep in mind that effective TT length doesn't really tell you how far away from your seat your bars will be. Frame reach is going to be a much more accurate number to consider.
Forgive me if you know this, but TT length is highly dependent on seat tube angle (STA) and head tube angle (HTA) as well as headtube extension, actual ST length, and a number of other things. Frame reach ("reach") is the measurement of the distance of the top of the head tube forward of the BB centerpoint. There's also frame stack ("stack") which is the measurement of the height of the top of the head tube above the BB centerpoint.
Think about how you set your seat; measure the height above the BB and the distance behind the BB. Same thing for the front end.

One cup of coffee on a rainy morning might not be helping me get the point across.

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