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PostPosted: Thu Sep 06, 2012 3:49 pm 
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Location: Los Angeles / Glendale, California
:roll:
....yeah, any way....



The Louis Garneau is very appealing, it seems like a good aero helmet that can be worn for any ride/event. The others so far seem appropriate for crits or track, but not necessarily road races. Venting and keeping the head cool (temperature, and psychologically) is an issue, I believe.

Interestingly, the common NutCase style helmets that are used for both commuters and skaters are actually quite aero! I've seen a number of track riders use them (and even use one towards a state championship win). But, again, no venting and worn on the track where the event is short enough to allow for the helmet to be taken off soon after.

Nutcase: Image

vs. the Giro version

Image

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PostPosted: Thu Sep 06, 2012 8:16 pm 
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Get your normal helmet and put a showercap over the top, that's what I do on time trials, also works for when it rains. Keeps my brains warm.


Last edited by chazzawoods on Tue Sep 25, 2012 7:08 pm, edited 1 time in total.

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Posted: Thu Sep 06, 2012 8:16 pm 


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PostPosted: Fri Sep 07, 2012 6:41 am 
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Shower cap over helmet is a bad idea isnt the point of the coating on helmets so your head slides the shower cap could prevent that causing worse injuries in a crash.


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PostPosted: Fri Sep 07, 2012 10:00 am 
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Location: Latvia
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KED Champion Short


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PostPosted: Fri Sep 07, 2012 12:11 pm 
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Getter wrote:
bratz wrote:
anyone knows when the giro attack will be available?


Supposedly in the Spring of 2013. I want one sooo bad! :mrgreen:



yeah...i want one also....reason being when mountainbiking i use a TSG skatelike helmet cause im using shorts and mx style jersey unless if its a race than bibs and jersey with the normal road helmet gets my vote....so i can have one do it all helmet for my cycling needs...


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PostPosted: Fri Sep 07, 2012 5:15 pm 
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Location: Lyon
I like this one. TT specific but still road usable

Image

Image

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PostPosted: Sun Sep 23, 2012 5:04 pm 
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CASCO Speed is now available in UK.

http://www.velodromeshop.net/index.php? ... ct&id=1927


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PostPosted: Tue Sep 25, 2012 6:05 am 
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All of these better make you so frickin' fast that you cannot even hear everyone laughing at you.


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PostPosted: Sat Sep 29, 2012 7:12 pm 
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Location: Norway
The Giro Air Attack doesn't look too bad in my opinion.


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PostPosted: Wed Oct 31, 2012 7:33 am 
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Location: Los Angeles / Glendale, California
Carrera Radius (claimed aero)
(image links to site)

Image

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PostPosted: Wed Oct 31, 2012 7:42 am 
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Location: Geeeelong! / YURP
Melbourne Bike Share helmets

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PostPosted: Wed Oct 31, 2012 8:16 am 
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TP, currently single?
She looks like she could use some help to wear her helmet properly.

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PostPosted: Thu Nov 01, 2012 8:51 am 
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prendrefeu wrote:
Carrera Radius (claimed aero)


I'm not seeing the aerodynamic features, but I'm not an engineer :noidea:


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PostPosted: Thu Nov 01, 2012 6:13 pm 
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Joined: Fri May 18, 2012 7:11 pm
Posts: 296
Location: FL
I'm just going to buy the snap on shell for my Laser. They have the shaped one out now for like $20 but they have a new smooth one that Andre Griepel was wearing in the tour sprint sections (he put the cover on late in the race after a trip to the car). I asked Laser a while back and they said spring release. I like the new Giro too but only with the lens on.

New smooth cover:
Image
Image


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Posted: Thu Nov 01, 2012 6:13 pm 


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PostPosted: Thu Nov 01, 2012 7:26 pm 
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Franklin wrote:
prendrefeu wrote:
Carrera Radius (claimed aero)


I'm not seeing the aerodynamic features, but I'm not an engineer :noidea:


I am also not an engineer, but taking a look at the 'aero' claims by LG (Course Helmet) and Carrera (Radius/Razor) it seems that these two offerings are attempting to maintain ventilation while allowing for some aero qualities of the helmet overall. Aero qualities - and please, if an engineer is reading this correct me or back me up - are both in what is going into the wind as well as how the wind/air moves off of the object. The Course and Radius/Razor helmets have, apparently, design that allows the wind to come off the helmet in a smoother fashion compared to those that end in flares/ends which make the air transfer off in a poor fashion. Does that make sense?

For example, part of the reason why the Toyota Prius gets such "high" gas mileage isn't necessarily that it is a hybrid, it is the body shape and details in the design that minimize drag. Drag is in large part affected by the way the air ends off of the object.

http://en.wikipedia.org/wiki/Drag_(physics)

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