Speaking for myself, no ... I generally do not train on my disc. However, I'll put it on for a couple of rides prior to a race so I'm used to the handling and I'm confident there are no performance/maintenance issues.

Not a disc wheel, but once I put my disc cover on I it's not coming off for a while

+1

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When all is said and done. More is usually said than done
Ba Ba Booey

x2. I ride my road bike 90% of the time, so I leave my cover on year round.

Brad

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3SIXTY5cycling.com

Only for very special strava segments...

actually I have not done that...yet.

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Kat Hunter reports on the San Dimas Stage Race from inside the GC winning team
Aeroweenie.com -Compendium of Aero Data and Knowledge
Freelance sports & outdoors writer Kathryn Hunter

It's a bad idea. It comes up monthly in the forum. Here are some reasons why:

• More expensive than a training wheel.
• More noise.
• Rocks will ruin it.
• Catches wind.
• Sometimes more weight.
• Putting air in it is way more difficult.
• Some discs cannot be trued.
• You will look ridiculous.

I'd put in on for a pre-race ride to make sure everything was tuned right. Otherwise, only on race day.

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Rick, "Retired" hobbyist athlete
Trying to come back slowly from acute A-Fib

ditto. mine is on the bike, sitting in the trainer. i rode it this morning.

i have a wheel cover, not a disc, so my investment is only $100. and i followed the ST method of taping the drive side prior to install. it is bullet proof.
if i had some $2K Zippy wheel, then perhaps i'd reconsider.

When I rebuilt my Zipp 2001 I put a Hed 3 on the front and a Zipp 900 disc on the rear and I haven't taken them off for hundreds and hundreds of miles, racing and training.
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2011 Broward County 60-64M Sprint Tri Champion
2011 1st place 60-64M Race Troops Sprint Tri
2012 1st place 60-64M Spring Training Sprint Tri
2013 1st place 60-64M Bone Island HIM
2013 1st place 60-64M Tri-Miami International Tri

"I haven't taken them off for hundreds and hundreds of miles, racing and training."

So that's like a week?

Yep. Probably about half my training on a zipp sub9 Disc. I'm just freaking lazy and too cheap to buy a third powertap wheel (one pt disc, one for the road bike, it seems like plenty of spending). Second year doing it, no issues to date. Not bad in the wind with a 404 front. Discs are nearly as durable as spoked wheels except during travel when they are suseptible to dents. One has to plan around tire wear a little bit more but it's not hard to put a new tire on 1-2x for a races. I can't do anything about how geeky it looks except focus on the I don't give a damn part.

hehe

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Kat Hunter reports on the San Dimas Stage Race from inside the GC winning team
Aeroweenie.com -Compendium of Aero Data and Knowledge
Freelance sports & outdoors writer Kathryn Hunter

Oh how I WISH I had the legs/money/time to ride "hundreds and hundreds of miles, racing and training" in like a week. :-)
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2011 Broward County 60-64M Sprint Tri Champion
2011 1st place 60-64M Race Troops Sprint Tri
2012 1st place 60-64M Spring Training Sprint Tri
2013 1st place 60-64M Bone Island HIM
2013 1st place 60-64M Tri-Miami International Tri