General Discussion Triathlon Talk » Light wheels or arodynamic? Rss Feed  
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2010-07-29 12:39 PM

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Subject: Light wheels or arodynamic?
I'm in the market for a new wheelset, and I was curious what people would do if there are two wheelsets: the same price, one with a deeper rim (more arodynamic?) another that is maybe 250g lighter for the set.  I'm leaning toward the lighter wheels (Mavic Ksyrium Elite).  Is that a mistake?


2010-07-29 12:41 PM
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Subject: RE: Light wheels or arodynamic?
2010-07-29 12:43 PM
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Subject: RE: Light wheels or arodynamic?
Kind of depends. For training, you may want lighter if you do a lot of climbing. For racing you want aero all day.
2010-07-29 12:43 PM
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Subject: RE: Light wheels or arodynamic?
eggraid101 - 2010-07-29 7:39 AM I'm in the market for a new wheelset, and I was curious what people would do if there are two wheelsets: the same price, one with a deeper rim (more arodynamic?) another that is maybe 250g lighter for the set.  I'm leaning toward the lighter wheels (Mavic Ksyrium Elite).  Is that a mistake?


Depends a little upon the kind of riding you're doing, but unless you're basically going to spend all your time hill climbing I'd definitely go with the aero.  I heard a cycling expert say that something like 80% of what you're overcoming on the bike is aero-resistance, only about 20% is rolling resistance.
 
2010-07-29 12:43 PM
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Subject: RE: Light wheels or arodynamic?
Aero typically for tri's, unless it involves a ton of climbing.
2010-07-29 12:44 PM
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Subject: RE: Light wheels or arodynamic?
x2 Aero beats weight unless you're doing alot of climbing.


2010-07-29 12:47 PM
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Subject: RE: Light wheels or arodynamic?
250 g is about half a pound.  Go #2 before you ride and get the aero wheels.
2010-07-29 12:59 PM
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Subject: RE: Light wheels or arodynamic?
eggraid101 - 2010-07-29 10:39 AM I'm in the market for a new wheelset, and I was curious what people would do if there are two wheelsets: the same price, one with a deeper rim (more arodynamic?) another that is maybe 250g lighter for the set.  I'm leaning toward the lighter wheels (Mavic Ksyrium Elite).  Is that a mistake?


What's the more aero set? How aero are we talking, whats the rim depth?

John
2010-07-29 1:12 PM
in reply to: #3012397

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Subject: RE: Light wheels or arodynamic?
Thanks for the replies, the consensus seems to be to go more aero.  I can't afford (or don't want to pay for) Zipps.  Actually, looking at it a little closer I see the Ksyrium Elites are 30 mm rim depth, and I can't find much else deeper than that for less than $300 more.  Maybe I'll have to go with those.  I do like climbing (for whatever reason).  Any other recommendations about wheels to check out in the $600/wheelset range? 
2010-07-29 1:12 PM
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Subject: RE: Light wheels or arodynamic?
I'd go aero hands down. People are way too concerned about weight. The only way it really matters is if you are doing a ton a accelerations. Otherwise once you get going it's easy to keep it rolling. Also i would venture a guess that this is for triathlons. There many tri courses out there where there is a lot if climbing or stops and starts. We all ride TT bikes because they are aero right? So go aero.
2010-07-29 1:13 PM
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Subject: RE: Light wheels or arodynamic?
tkd.teacher - 2010-07-29 2:59 PM

What's the more aero set? How aero are we talking, whats the rim depth?


To add to John's post, what is the intended use: racing, training or both?

Shane


2010-07-29 1:13 PM
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Subject: RE: Light wheels or arodynamic?
eggraid101 - 2010-07-29 11:12 AM Thanks for the replies, the consensus seems to be to go more aero.  I can't afford (or don't want to pay for) Zipps.  Actually, looking at it a little closer I see the Ksyrium Elites are 30 mm rim depth, and I can't find much else deeper than that for less than $300 more.  Maybe I'll have to go with those.  I do like climbing (for whatever reason).  Any other recommendations about wheels to check out in the $600/wheelset range? 


Where are you seeing Elites with 30mm depth? I see 23 and 25.

John
2010-07-29 1:17 PM
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Subject: RE: Light wheels or arodynamic?

I live in the foothills of the blue ridge mtn. range.  I'm torn, here, too. 

For one thing, there aren't many tris around here that don't have climbing.  ALL my training rides have hills.  If I went with light, aluminums.....I'd ride 'em all the time (not just on race days....which are few).

And then....there's "what if I decide to do some larger tris".

Still torn.

2010-07-29 1:21 PM
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Subject: RE: Light wheels or arodynamic?
bryancd - 2010-07-29 12:43 PMKind of depends. For training, you may want lighter if you do a lot of climbing. For racing you want aero all day.
Why would you want lighter for training? Isn't the old saying, "train heavy, race light?"
2010-07-29 1:28 PM
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Subject: RE: Light wheels or arodynamic?
What kind of wheels do you have now (if any)?
2010-07-29 1:42 PM
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Subject: RE: Light wheels or arodynamic?
the bear - 2010-07-29 1:21 PM
bryancd - 2010-07-29 12:43 PMKind of depends. For training, you may want lighter if you do a lot of climbing. For racing you want aero all day.
Why would you want lighter for training? Isn't the old saying, "train heavy, race light?"


Sweet!
As a newb, I didn't want to be the first to question this.  I figure the weight going up the hill has to come down the other side, so it evens out, giving the advantage to aero.


2010-07-29 1:46 PM
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Subject: RE: Light wheels or arodynamic?
They'd be for training and racing both, and they'd be for tris and road riding both, too.  A do-it-all wheelset, right? 

Oops, you're right, I had pulled up the Cosmic Elites that are 30mm, the Ksyrium are 22/25 mm depth. 

I had some old Mavic Cosmic something-or-other that were fairly deep - 50-60mm I'd guess.  I've lost 3 eyelets on those wheels, so I think they're done for.  They were fine, any comparable wheels you can think of?
2010-07-29 2:03 PM
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Subject: RE: Light wheels or arodynamic?

Best of both worlds?
Get light wheels (the Kysrium elite's are a good balance of strong enough for everyday training and light enough, and reasonably priced), and an aero helmet- which will make as much of a difference as Zipps.  Rent wheels for race day, or get a rear wheel cover.

2010-07-29 3:18 PM
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Subject: RE: Light wheels or arodynamic?
morey000 - 2010-07-29 9:03 AM

Best of both worlds?
Get light wheels (the Kysrium elite's are a good balance of strong enough for everyday training and light enough, and reasonably priced), and an aero helmet- which will make as much of a difference as Zipps.  Rent wheels for race day, or get a rear wheel cover.



An aero helmet is a really good choice but I don't think it's going to save as much time, as an absolute value, as a set of Zipps. 

What the aero helmet WILL do is save more time per $ spent - because while they might only save 1/3-1/2 the time that Zipps will, they only cost about 1/10th what Zipps do.  So the Aero helmet is the smarter purchase for the triathlete on a budget

 
2010-07-29 3:28 PM
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Subject: RE: Light wheels or arodynamic?
Whatever wheels you have now will be fine for training, assuming they spin.

For non-draft racing, aero profile is 100x more important than weight. Get the deepest you can get and still be in control of your bike.

You don't need to buy Zips. Flashpoints, HED Jet9s, Neuvation - tons of deep wheel sets for around 1k. (Neuvation has tubular 50mm sets for 600 bucks, clinchers for 900).

Standard advice is get a wheel cover for the rear training wheel, either with a powertap or not,  and a aero/trispoke front wheel for racing.
2010-07-29 3:47 PM
in reply to: #3012855

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Subject: RE: Light wheels or arodynamic?
I'd look at wheelbuilder.com, you can get a set of 30mm DT Swiss hand built for around $800. Add $100 for a rear wheel cover and find a cheap deep dish wheel for front and you are all set for training and racing both.

John


2010-07-29 3:56 PM
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Subject: RE: Light wheels or arodynamic?
2010-07-29 4:45 PM
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Subject: RE: Light wheels or arodynamic?
eggraid101 - 2010-07-29 3:46 PM

They'd be for training and racing both, and they'd be for tris and road riding both, too.  A do-it-all wheelset, right? 


IMO, the only criteria that you are looking for in a set of training wheels (even if they also serve as race wheels) is that they should be bombproof.  I would suggest a set of Ultegra hubs laced to Mavic Open Pro rims and you will have a wheelset that you never need to worry about.

They won't be aero or light but they will be reliable and you will get thousands of miles without a concern.  Then, when/if the budget allows, a deep front wheel and wheel cover for the rear and you have a great set of race wheels as well.

Shane
2010-07-30 1:48 PM
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Subject: RE: Light wheels or arodynamic?
What about these?  I almost bought these but had a nice line on some Zipp 303s.

http://www.planet-x-usa.com/p50/82/Planet-X-5082-Carbon-Tubulars.aspx

They have clinchers too, for a bit more.
2010-07-30 1:51 PM
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Subject: RE: Light wheels or arodynamic?
Ksyrium's are not light.  Well, for clinchers they are (my SSC SL's tip the scales at a bit over 1500grams).

If you buy carbon 404's they will be both aero and lighter than your run of the mill clinchers.  Best of both worlds.
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