They’re a win­ning hy­brid of TT and stan­dard hel­mets, but how should you pick an aero road hel­met for your train­ing and rac­ing needs?

220 Triathlon Magazine - - START -


The cur­va­ture of a hel­met will aid aero­dy­namic gains by chan­nelling and smooth­ing the air­flow over the top, while the dim­pled de­sign cre­ates a layer of tur­bu­lent air around the hel­met to pro­duce less drag force on the sur­face and cleaner air­flow.


Aero road hel­mets will have less vents than a nor­mal road hel­met due to aero­dy­nam­ics, so the lim­ited num­ber they have need to be in ef­fec­tive po­si­tions but not at the ex­pense of drag. These tend to be po­si­tioned at the top and rear; the Vitesse, here, has 14.


Al­though speed is key, an aero road hel­met needs to offer com­fort for lengthy en­durance stints on the bike. The pad­ding should be quick-to-dry, ide­ally anti-bac­te­rial and offer cool­ing prop­er­ties, and will al­most cer­tainly be re­mov­able so you can wash it with ease.


The ratchet or re­ten­tion sys­tem will se­cure your head into the hel­met and should be easy to ac­cess on the fly. A dial is cur­rently the most com­mon ad­just­ment sys­tem on aero road hel­mets, but en­sure the cra­dle sits neatly into the back of your head.

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