So I am in the market for a new aero helmet and I do tend to ride heads down some if not most of a bike segment. I originally was thinking the LG P-09 or the new Rudy but after reading the study I am not so sure.
I no it is really dependent on bike fit and position along with riding style but are there general rules of thumb for data? Like X/Y/Z helmets are generally good for heads up and A/B/C are good for heads down?
I have been searching this and although the article references the positions I am not sure I trust the data.
In general (and generalities are all we can really talk about since fit is so individual), long tail helmets are a good choice as long as the tail isn't sticking high up into the wind. Ideally the tail is flush with the rider's back, but a short tail only makes sense if your head angle would have a long tail sticking way up.
Short tail is a good choice if you spend a lot of time in this position:
Not if you use this position:
Note, it's the same athlete (2013 Kona champ FVL) so he has to pick a helmet based on how he holds his head most often.
One last note, when in doubt consider the Giro Advantage2. It's rarely the top helmet for any athlete, but it's almost always one of the best, so it's always a good choice (unlike milk).
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