Originally Posted by
spartanKid
FWIW I don't remember where I saw this, but I think more headset spacers and a flatter stem angle is "more aero" than fewer spacers with a positive rise stem.
There is actually a thread about it on this forum :-)
https://www.bikeforums.net/track-cyc...be-height.html
Anyway, I was more interested in the esthetic overview than pros/cons ;-)
In fact, I read about the Look C-Stem and this is not an option for a regular steerer tube. It works only with specifically designed ones (provided by Look
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Originally Posted by topflightpro
They came out with a study that it is more aero to have a -17 stem and their 25mm riser than to go with a stem that is angled up (anything less than -17) and flatter bars
Hmmmm haven't seen the Specs data (so maybe they also mentioned about it) but wondering how someone can judge -17 stem as more aero then any other value if not taking head tube angle in calculation?