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 Post subject: Re: S-WORKS Evade
PostPosted: Fri Jul 12, 2013 2:55 pm 
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Joined: Wed Jun 10, 2009 2:16 pm
Posts: 351
Location: Austin, Texas
prendrefeu, you hit the nail on the head with your analysis. I've thought about how this would be a neat helmet at speed (what little I produce) but then consider the following: centeral texas afternoon, 100 degrees, humid, climbing a moderate hill at 15 mph with little relative windspeed.

I think that would end up being miserably HOT!

I hear what your saying about the color not making a difference. I don't care - I have a white Prevail helmet. At least the white colors help me mentally feel like I am doing all I can do to stay cool. I got white shoes too! Plus, I'm not a fan of blending in with the pavement.


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 Post subject: Re: S-WORKS Evade
PostPosted: Fri Jul 12, 2013 5:18 pm 
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Posts: 1311
Tinea Pedis wrote:
I'm at the 2014 Spec launch. Got to interview one of the main men behind the Evade, there's a lot of work out in to this helmet.

Rode it the past few days. I'll be getting one.


i wanna sell my air attack for one...


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 Post subject: Re: S-WORKS Evade
Posted: Fri Jul 12, 2013 5:18 pm 


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 Post subject: Re: S-WORKS Evade
PostPosted: Fri Jul 12, 2013 5:31 pm 
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Joined: Tue May 23, 2006 9:39 pm
Posts: 306
natiedean24 wrote:
prendrefeu, you hit the nail on the head with your analysis. I've thought about how this would be a neat helmet at speed (what little I produce) but then consider the following: centeral texas afternoon, 100 degrees, humid, climbing a moderate hill at 15 mph with little relative windspeed.

I think that would end up being miserably HOT!

I hear what your saying about the color not making a difference. I don't care - I have a white Prevail helmet. At least the white colors help me mentally feel like I am doing all I can do to stay cool. I got white shoes too! Plus, I'm not a fan of blending in with the pavement.


and besides, no matter what helmet you wear...coming to a stop for a light on a 95 degree day with 85% humidity...i overheat with my Giro Aeron.

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 Post subject: Re: S-WORKS Evade
PostPosted: Fri Jul 12, 2013 5:48 pm 
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Posts: 83
Any word on the sl5 yet?

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 Post subject: Re: S-WORKS Evade
PostPosted: Fri Jul 12, 2013 9:50 pm 
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Posts: 1259
Louis Garneau has quite a nice addition to the aero helmet segment. It's called the Course and it's not as ugly and has more vents than either the Evade or Giro's hideous brain bucket. The idea behind the course is the combination of aero with ventilation. That said, I prefer a Giro Aeon or a Bell Gage myself and will happily pedal the extra few watts for the sake of a better looking helmet.

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 Post subject: Re: S-WORKS Evade
PostPosted: Fri Jul 12, 2013 10:22 pm 
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Location: Los Angeles / Glendale, California
... which happened to have a posted review, in this very forum, on the same day that this thread was started.
viewtopic.php?f=3&t=117273

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 Post subject: Re: S-WORKS Evade
PostPosted: Sat Jul 13, 2013 12:31 am 
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Joined: Thu Apr 11, 2013 8:21 pm
Posts: 91
Remember the Crookes radiometers you saw in grade school?

https://en.wikipedia.org/wiki/Crookes_radiometer

They work because the black sides heat up the air, which causes increased air pressure on those sides. So a black helmet will press you down into the pavement more than a white helmet. :mrgreen:

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 Post subject: Re: S-WORKS Evade
PostPosted: Sat Jul 13, 2013 11:21 am 
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Joined: Fri Sep 04, 2009 8:55 am
Posts: 101
Location: Oslo Norway
In fear of going off topic :oops:
Been riding with the Air attack shield for a while now and I second what Prendrefeu saying.
At speed the cooling is great, even in +25C I can feel the air flowing over my head. (Buzz cut)
In long climbing situasions in hot climate I would go with something with more vents.

I think the reson the aero helmet thing has taken off is partly marketing and partly the cold weather in europe this spring.
The Air attack shield is the best crappy weathe helmet on the marke in my opinion. I really dont care about the aero thing. Living in Norway with the temperatures and weather we have here I think the less vented aero helmets are going to get increasingly popular. I for one welcome the trend, and if i get free speed then great.
The shield is in my opinion a bigger advance than the aero thing, hope someone comes up with a magnetic visor for a vented helmet. wery god for the dreaded wheelspray when drafting pluss no fogging when climbing in the rain.

I like the Evade but the Air attack (in black) is more minimalistic I think.
I also have the s-works prevail and with all the fins and stuff going on it really looks goofy compared to the air attack. (call me crazy) :D

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 Post subject: Re: S-WORKS Evade
PostPosted: Sat Jul 13, 2013 11:48 am 
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Joined: Tue Aug 02, 2011 9:20 pm
Posts: 1181
Location: New Zealand
Thankfully I don't have to worry about hot head where I live (Wellington, New Zealand). It barely gets above 24c in summer so it's no real problem. The Evade will be fine. It does get fricken windy though!

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 Post subject: Re: S-WORKS Evade
PostPosted: Sat Jul 13, 2013 3:38 pm 
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Joined: Wed Sep 26, 2007 1:57 pm
Posts: 7298
Location: San Francisco, CA
On Bedouins wearing black

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 Post subject: Re: S-WORKS Evade
PostPosted: Sat Jul 13, 2013 4:15 pm 
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Location: San Francisco, CA
Here's an old study by Terry Morse in which the white helmet was cooler when there was a wind (as there typically is when riding). However, he used an inert head foam for the head, while actual heads are self-heated. A result of the test was that a bare head was hottest of all, which is dubious, but then foam doesn't sweat, either.

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 Post subject: Re: S-WORKS Evade
PostPosted: Sat Jul 13, 2013 6:38 pm 
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Location: San Francisco, CA
Sorry for 3 consecutive posts, I need to get a new helmet since I cracked my EU-certified Prevail cracked when I crashed last month, and it's a good chance to take advantage of the Specialized 20% crash-replacement discount. To improve aerodynamics, I put packing tape over the front center vents.

So Evade is an option for me now, but there's a gram penalty. Anyone know what that is? (this being WeightWeenies, after all). I'm a big fan of "mass on the head matters more than mass on the bike".

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 Post subject: Re: S-WORKS Evade
PostPosted: Sun Jul 14, 2013 11:34 am 
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Joined: Mon Jul 18, 2011 2:44 am
Posts: 1311
djconnel wrote:
Sorry for 3 consecutive posts, I need to get a new helmet since I cracked my EU-certified Prevail cracked when I crashed last month, and it's a good chance to take advantage of the Specialized 20% crash-replacement discount.


good point. i have a crashed prevail in my room, collecting dust.....HRMMMMM


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 Post subject: S-WORKS Evade
PostPosted: Sun Jul 14, 2013 12:05 pm 
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Joined: Tue Apr 14, 2009 3:05 am
Posts: 364
Location: Perth, Australia
I'm all over this, will see If / when they're taking pre-orders...will be a great road racing helmet

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 Post subject: S-WORKS Evade
Posted: Sun Jul 14, 2013 12:05 pm 


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 Post subject: Re: S-WORKS Evade
PostPosted: Sun Jul 14, 2013 1:00 pm 
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Joined: Mon Apr 22, 2013 5:55 am
Posts: 438
Location: Vladivostok
I've already put us down for one GDoraz!

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