I remember having my mind blown when erstwhile colleague Peter Stuart (who now works for a small but competent cycling website as editor), interviewed a top aerodynamicist for Cyclist and returned with news that a classic glass Coke bottle is more aerodynamic thrown bottom first than pointy end first.
‘But how?!’ I raged as I smashed down my coffee cup and clawed at my eyes with spokes. The answer, of course, was a mixture of witchcraft and laminar airflow, and it’s this principal (along with the huge tyres) that makes the Extrema Italia what it is: a megabike.
The down tube is 60mm wide where it meets the head tube, and 75mm wide at the BB end, totally un-aero sizes
