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Benefits of cycling

Aero Vs. Road Helmet | Which Is The Best Bike Helmet For Triathlon?


– An aero helmet is obviously
designed for aero gains, but how much of an advantage
do you actually get from using an aero helmet
over using a road helmet? Well, in a wind tunnel this
is gonna win hands down. But in reality there are
so many factors to consider when you’re choosing what helmet
to use for your next race. Well, we’re going to be looking into those factors in a moment and then we’re gonna finish it off with a head to head time trial versus. (whooshing) (upbeat music) Riding position is often overlooked and it’s easy to think
that wearing an aero helmet is gonna make you more
aero dynamic overall. And that isn’t always so, if you’ve got a very high up position or you move your head around a lot, then it could end up being detrimental. And you also need to
consider the type of course you’re going to be racing
and the conditions. Being super aero at home on your turbo or on smooth flat roads is one thing, but if your course is
gonna have sharp corners, rough surfaces, steep
hills or even really windy, anything that’s gonna mean that you’re gonna have to
come off your aero bars and onto your base bars then you’re probably
going to be better off with just a normal road helmet. Talking of the external factors, the weather and the climate should also be taken into consideration. Obviously aero helmets don’t have quite as much ventilation
as a road helmet does. So if you are doing a long
race in hot, humid conditions then you might find you start to overheat. Although some aero helmets
will have more ventilation and some even have gaps you can pull water are over your head. But, the opposite goes if
you’re racing in cold climate. And I’ve actually enjoyed the
benefits of an aero helmet when racing a TT in the
UK that’s a bit chilly. And to be honest, I’m
quite looking forward to wearing it today ’cause
it’s a little bit cold. OK, so it’s time to look at the numbers. We can’t ignore the cost difference between these two helmets. The aero helmet will cost
more than the road helmet. And if you’re only going to be buying one, you’re probably going to get more use out of your road helmet. Although having said that, there is now an option on the market that sits somewhere in between the two. And that is the aero road helmet,
such as the Kask Infinity. And whilst we’re sticking with numbers it is worth mentioning the weight. The difference is pretty
negligible to be honest. And I can’t really notice
it holding them here. Although apparently the road helmet is slightly lighter than the aero helmet. Most aero helmets will cover
your ears like this one. So it will reduce your hearing slightly. But, hopefully in a race
you shouldn’t really need to hear that much anyway. And I personally quite like it ’cause it helps me get into the zone and really get into that race mode. And the same goes a
little bit for your vision as it will slightly reduce
your peripheral vision. Comfort should play an important part when you’re choosing
what helmet to race in. And it comes down to personal preference. So I’d highly recommend
that you try before you buy. Now for example in Kona, I
actually opted for my road helmet ’cause I felt that the
benefit of keeping cool would outweigh any aero benefits. Take into account the
distance of your races. The shorter it is, the less significant the difference is going
to be between the two. And it might take a little getting used to taking your aero helmet on and off, which could cost you a few seconds. So that’s just another factor that you might want to consider. So I’m going to do two runs, holding an average of 250 watts, for 2k up the road. First, I’m gonna do it in my road helmet and then I’m going to
it in my aero helmet. Well, I think it’s time to get started. (upbeat music) OK, pretty accurate. 247 on the average watts. And the time was three minutes 39 seconds. And I mean it is a little
bit breezy out there so that last bit I just had
to come onto my base bars as well because the hill gets a bit steep. But tried to stay pretty
close to my target. (upbeat music) Argh! Yes, just missed a
couple of seconds there, I think ’cause I couldn’t
quite get it to pause. But, interestingly it is quicker. Although by the time I pressed the button only two seconds quicker. So that was a three 37. Now that does sound good,
but let’s have a look. My watts are higher. I actually averaged 260 on that run. I’m not really sure how because I didn’t feel like
I was working any harder and it felt a bit smoother, but maybe I just got my race helmet on and I got into race zone a
bit too much, I’m not sure. But, as you can see,
there’s water on my visor. And it did rain a little bit. And I think the wind has picked up so I guess you’ve got to
take that into consideration. There was very little difference between the road helmet
and the aero helmet. There are few things to consider though, it was a short course, we
only did it once with each. I wasn’t quite as accurate with
my watts as I’d hoped to be. And the weather was a
little bit changeable. So I think that does
call for a more thorough investigation in the future. But sadly, that was all
we had time for today. Well, if you’re enjoyed this and you want more videos from GTN, just hit the globe to subscribe. And if you want to look
at another comparison, Mark actually compared a time
trial bike with a road bike and that video is just here. And if you want to see some
tips on how to get more aero, there’s a piece with pro
triathlete Bart Aernouts just here.

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