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Home > Forum > Triathlon Forum > When to Use Disc Wheels

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When to Use Disc Wheels
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Bville
Feb 19, 12 3:03
Post #1 of 6 (1834 views)
I have read a lot of people recommend using a rear disc on race day and looking at wind tunnel test results for various brands I can appreciate why. What I am wondering is how you know when "not" to ride a disc? I have to assume wind has a lot to do with it and personal experience. Just wondering if there is some sort of "rule of thumb". Thanks in advance
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Re: When to Use Disc Wheels [Bville] [ In reply to ]
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Brekyn Khi
Feb 19, 12 3:17
Post #2 of 6 (1817 views)
Titanflexr has a great rule of thumb for when it is too windy to ride a disc. http://forum.slowtwitch.com/...post=2577030#2577030
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Re: When to Use Disc Wheels [Bville] [ In reply to ]
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atj
Feb 19, 12 3:24
Post #3 of 6 (1809 views)
A rear disc will make you more stable even in the worst wind conditions.

So, to answer your question: the only time you shouldn't ride a rear disc is when the race rules prohibit you from doing so (ie, Kona).
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Re: When to Use Disc Wheels [aftereffector] [ In reply to ]
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Bville
Feb 19, 12 3:37
Post #4 of 6 (1790 views)
Thanks, this is really helpful. I knew there must have been a discussion on this topic already, just not sure when/where to look.
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Re: When to Use Disc Wheels [Bville] [ In reply to ]
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jackmott
Feb 19, 12 5:57
Post #5 of 6 (1709 views)
If it is so windy you would be afraid to ride a bike at all, but you have to any way, then don't use a disc.

If it is a 13% grade uphill TT that either doesn't come back down, or the downside is extremely technical, don't use a disc.

Bville wrote:
I have read a lot of people recommend using a rear disc on race day and looking at wind tunnel test results for various brands I can appreciate why. What I am wondering is how you know when "not" to ride a disc? I have to assume wind has a lot to do with it and personal experience. Just wondering if there is some sort of "rule of thumb". Thanks in advance

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
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Re: When to Use Disc Wheels [Bville] [ In reply to ]
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realAB
Feb 19, 12 9:04
Post #6 of 6 (1580 views)
When not to:

when the rd or td says no
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