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How much is .5 degrees of STA worth for effective top tube?(3 posts)

How much is .5 degrees of STA worth for effective top tube?dawgcatchr
Aug 11, 2003 6:49 AM
Hi. Does anyone know the answer to this? And while we are at it, what does 1cm of handlebar drop equal in terms of effective top tube length? Obviously, if you remove spacers to lower the stem, the bars will be further away from your shoulders as well as lower, I just don't know how much. Thanks!
I think 6/10ths of a cm. nmLen J
Aug 11, 2003 6:54 AM
the answers...C-40
Aug 11, 2003 10:19 AM
The amount of TT length change varies from 1.0 to 1.5cm per degree, depending on frame size. 1.2cm per degree is a good average value.

Removing 1cm of spacers will move the bars forward .3cm.