Join Date: Nov 2011
Location: SGV, SoCal
Bikes: Centurion Fixed Gear, 1987 Centurion Ironman Expert
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Ambiguous Frame Size is Ambiguous
So I have recently found out my frames are not ~54cm, but 56cm top tube length for my road bike and ~58cm top tube length for my fixed gear. Yup. Well, you learn something new almost everyday.
Why do you think bike manufacturers come up with crazy ways on measuring a frame? It seems ambiguous and inconspicuous if that measurement is referring to seat tube length from the bottom bracket to the top of the seat post or the top tube length. Isn't the top tube length the most important when considering a frame's size? Then follows the stand over height? Or am I missing something...