Rabu, 03 Juli 2013

which is the best aero helmet?

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Hugo


hello, i would like to buy an aero helmet but idk which one is the best for 70.3 and full ironmans....
the money is not a problem, i just want to know which one is the best and why?
i saw a few ones: Giro-Selector, Lazer-Tardiz, Rudy Project- Wingspan, bell-jevelin, etc. be free to share your experience
thanks



Answer
Some of the manufacturers have round helmets some are oval. It is very important to find which fits your head best. Giro and Bell will fit the same as they are made by the same company and seem to be more oval (as most people are). Lazer seems to fit a rounder head shape well. Rudy Project fits smaller sizes.

Once you are in an aero position on a TT bike your head is the largest least aerodynamic part of your body so there is a speed benefit to an aero helmet. $300 worth? I'm not convinced enough of that to buy a new helmet at that price. It seems those that can afford a $6000 (and up) TT bike have no problem with buying the helmet.

The Rudy Project has the most venting. The Lazer Tardiz is very aero as is the Bell. The Giro is a tad less then the Bell -- According to Bicycling Magazine. I like the golf ball dimples.

If you aren't riding a TT bike forget the aero helmet because even with clamp on aero bars you won't be in the proper riding position to gain aero benefits. For half the price of one of these you can get a very lightweight, 70% as aero, equal cranium protection helmet.

Don't forget the visor. Sometimes the visor is extra. Get a clear visor and use glasses for the lighting conditions. The visor is part of the aero performance.

Shop used! As long as you try it on first you can't go wrong. Look at the year of manufacture on a sticker inside and don't buy one 5 years old. Inspect a used helmet carefully for any signs of impact damage -- a skuff that won't rub off, a dent in the styro foam inside, gouges or scratches. Don't buy a helmet you suspect has taken an impact. If you find one used it should be 1/3 to 1/2 price.




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