CA used an aero helmet at kona in 2011. CW never does and never has. Also probably the pics you are looking at are taken from Kona where disc wheels are banned

Those pictures are often taken at Kona, where disc wheels are not race legal. Its also hot and some riders prefer to not wear aero helmets there, although Crowie did wear one last year.

I was not aware that disc wheels were not race legal at Kona (I'm assuming because of the windy conditions I have heard of). See? You learn something everyday. Thanks.

Not that the wind really has anything to do with the rear wheel. It's not really a good rule about not being able to run discs in Kona. It's the front wheel that can cause issues in the crosswinds.

as far as the disc wheel, the OP has a point. Thinking pack to race pics I've seen(non-Kona) I can't recall either Crowie or Chrissie w/ a rear disk wheel

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M.S. x 2; CSCS; ATC/LAT, Functional Movement Specialist, USA Track and Field Level 1

Crowie ran a disc on the P4 at Vegas 70.3 Championships in Sep 2011.

i don't think he ran 1 earlier this year in Australia for the South Pacific championship. anyone know about Racine?

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M.S. x 2; CSCS; ATC/LAT, Functional Movement Specialist, USA Track and Field Level 1

http://www.slowtwitch.com/..._in_Racine_1441.html

so i stand corrected. i retract my previous initial statement!

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M.S. x 2; CSCS; ATC/LAT, Functional Movement Specialist, USA Track and Field Level 1

I ride a disc in every race, including IMAZ where people were being blow down by the wind. I was skeptical, too. But, at Kona, on the return from Hawi, while running a 60mm front and H3 rear, my bike was lifted OFF the ground once and it was damned frightening to ride for that 5 mile stretch. I was aero for the entire race, including the climb to Hawi, but in that stretch, I was on my basebar. Monty has posted about that somewhere, too.

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_________________
Dick

Take everything I say with a grain of salt. I know nothing.

He wore an aero helmet and used a disc at Melbourne.

Trust me, this is a good rule for Kona. I ride in wind all year long but I've never ridden in wind like coming back from Hawi. A rear disk on some days there would be carnage.

No one said it isn't windy.

The debate is whether disk is problematic in the wind. Some argue that it actually helps if you've got a deep front.

I'm not the only one with my opinion.

http://forum.slowtwitch.com/...%20a%20disc;#3786998

I've never done Kona, but I've ridden a disk many times and in windy conditions the bike can be a bear to handle. I'm not a small person either. Sister Madonna Buder would still be airborne if she'd had a disc at Kona the year she was thrown over the guard rail by the winds.

-Robert

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"How wonderful it is that nobody need wait a single moment before starting to improve the world." ~Anne Frank

Under nearly all wind conditions I'd agree and say it isn't an issue at all.

I use a disk in high winds all the time but wouldn't dream of it in Kona.

Perhaps the issue in Kona may be if more inexperienced riders use it and can't handle it, it presents more danger to other riders.

Yeah, I agree. Depends on what type of wind but in Kona the sidewinds are so strong at times you'd be launched into the lava fields with a disc ;-)

He hasn't been listening to Jackmott