Carbon wheels. Extra weight Vs Extra Aero?
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Carbon wheels. Extra weight Vs Extra Aero?
Postby Arlberg » Mon Oct 22, 2012 9:55 am
Eg. the Farsports 50mmm deep aero wheelset, http://www.farsports.cn/ViewProduct.aspx?id=685" onclick="window.open(this.href);return false;, weighs about 130gm more than the 38mmm aero wheelset. http://www.farsports.cn/ViewProduct.aspx?id=730" onclick="window.open(this.href);return false;.
Should a potential buyer wanting an all round faster wheel buy the 50mm wheels and have more aero but also more weight, or the 38mm wheels and have less aero but also less weight? Would the extra 12mm of aero compensate adequately for the 130gm of extra weight?
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Re: Carbon wheels. Extra weight Vs Extra Aero?
Postby Xplora » Mon Oct 22, 2012 8:23 pm
My cousin has RS80s in 50mm and he won't take them out if there is any breeze. If you want all weather wheels, 38mm will be better. If you want blockburners, then 50mm FTW. Weight is nothing, aero is everything. Obey the Aero. The difference in weight is two sips of water. Unless you've bought Super Record, you probably don't need to worry about 100gms. Unless you're pumping 40kmh, you probably won't recognise the benefits of one over the other either
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Re: Carbon wheels. Extra weight Vs Extra Aero?
Postby kayrehn » Mon Oct 22, 2012 9:47 pm
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Re: Carbon wheels. Extra weight Vs Extra Aero?
Postby NhiTrac » Tue Oct 23, 2012 9:39 am
All of my riding are on flats and all of my pbs have been on the lesser 'aero' wheels
BMC Teammachine SLR01
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Re: Carbon wheels. Extra weight Vs Extra Aero?
Postby ldrcycles » Tue Oct 23, 2012 9:46 am
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Re: Carbon wheels. Extra weight Vs Extra Aero?
Postby smileNnod » Tue Oct 23, 2012 10:04 am
I lashed out on a set of Zipp 404's Tubulars (56mm) for crits. However I took them out for a roll on my hill training ride, which is 4 repeats of a 3km climb. I set a PR first time up and broke that PR on the third. They climb absolutely fine. (Can show you the stats to prove) Must have ridden that climb over 1000 times.
1x full water bottle can be $1000 in saving equivalent weight off the bike.
It's pretty simple - Train heavier, Race lighter.
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Re: Carbon wheels. Extra weight Vs Extra Aero?
Postby ldrcycles » Tue Oct 23, 2012 10:33 am
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Re: Carbon wheels. Extra weight Vs Extra Aero?
Postby Xplora » Tue Oct 23, 2012 11:10 am
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Re: Carbon wheels. Extra weight Vs Extra Aero?
Postby warthog1 » Tue Oct 23, 2012 12:46 pm
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Re: Carbon wheels. Extra weight Vs Extra Aero?
Postby AndrewBurns » Tue Oct 23, 2012 1:21 pm
Go for the deep section, 38mm carbon rims seem pointless.
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Re: Carbon wheels. Extra weight Vs Extra Aero?
Postby usernameforme » Tue Oct 23, 2012 1:24 pm
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Re: Carbon wheels. Extra weight Vs Extra Aero?
Postby Arlberg » Tue Oct 23, 2012 8:28 pm
By the way what is the difference in the aero design of chinese carbon wheels such as those from Farsports and the latest designs from established brands like Zipp and others? Apparently the 'wedge' is a different shape on the newer wheels? Are they more aerodynamic or something? How does that affect the performance of the aero characteristics?
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Re: Carbon wheels. Extra weight Vs Extra Aero?
Postby usernameforme » Wed Oct 24, 2012 12:20 pm
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Re: Carbon wheels. Extra weight Vs Extra Aero?
Postby Arlberg » Wed Oct 24, 2012 2:07 pm
I read about them here too. http://www.zipp.com/wheels/404-firecres ... -clincher/#" onclick="window.open(this.href);return false;, and here http://www.zipp.com/technologies/aerody ... ecrest.php" onclick="window.open(this.href);return false;.
The Zipp 404s are around 180gm heavier, and about $1600 more expensive!, so the Farsports seem better value, and I have only read good reports about them. I have also read quite a few bad reports about the Zipps...
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Re: Carbon wheels. Extra weight Vs Extra Aero?
Postby usernameforme » Wed Oct 24, 2012 2:41 pm
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Re: Carbon wheels. Extra weight Vs Extra Aero?
Postby TDC » Wed Oct 24, 2012 3:14 pm
Have a read of these.Arlberg wrote:My question regarding carbon wheels is at what point does the extra weight of a more aero wheelset negate the benefits of the aero of those wheels?
Eg. the Farsports 50mmm deep aero wheelset, <a href="http://www.farsports.cn/ViewProduct.aspx?id=685" rel="nofollow" target="_blank" title="Link added by VigLink" class="vglnk"><span>http</span><span>://</span><span>www</span><span>.</span><span>farsports</span><span>.</span><span>cn</span><span>/</span><span>ViewProduct</span><span>.</span><span>aspx</span><span>?</span><span>id</span><span>=</span><span>685</span></a>, weighs about 130gm more than the 38mmm aero wheelset. <a href="http://www.farsports.cn/ViewProduct.aspx?id=730" rel="nofollow" target="_blank" title="Link added by VigLink" class="vglnk"><span>http</span><span>://</span><span>www</span><span>.</span><span>farsports</span><span>.</span><span>cn</span><span>/</span><span>ViewProduct</span><span>.</span><span>aspx</span><span>?</span><span>id</span><span>=</span><span>730</span></a>.
Should a potential buyer wanting an all round faster wheel buy the 50mm wheels and have more aero but also more weight, or the 38mm wheels and have less aero but also less weight? Would the extra 12mm of aero compensate adequately for the 130gm of extra weight?
http://le-grimpeur.net/blog/archives/598" onclick="window.open(this.href);return false;
http://le-grimpeur.net/blog/archives/648" onclick="window.open(this.href);return false;
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Re: Carbon wheels. Extra weight Vs Extra Aero?
Postby Xplora » Wed Oct 24, 2012 5:14 pm
That said, you'll get 90% of the benefit with 10% of the cost if you go Chinese. Nothing wrong with going that direction, just don't tell yourself that Zipps are silly - they cost a lot because they are the best, and they spend money to make sure they stay that way.
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Re: Carbon wheels. Extra weight Vs Extra Aero?
Postby smileNnod » Wed Nov 07, 2012 12:43 pm
On the other hand I like quality and didn't want a cheaper heavier set for racing (defeated the purpose).
Perfect solution:I purchased a second hand set of Zipp 404 Tubs - $1600.00 - Simply amazing and I have ridden cheaper wheels with not as good quality hubs. YES you absolutely can tell the difference. I found heavier cheaper, certainly more work in getting up to speed.
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Re: Carbon wheels. Extra weight Vs Extra Aero?
Postby jacks1071 » Wed Nov 07, 2012 12:59 pm
It would be delusional to expect even remotely similiar quality between a chinese no-name and a zipp.Arlberg wrote:Thanksusernameforme.
I read about them here too. http://www.zipp.com/wheels/404-firecres ... -clincher/#" onclick="window.open(this.href);return false;, and here http://www.zipp.com/technologies/aerody ... ecrest.php" onclick="window.open(this.href);return false;.
The Zipp 404s are around 180gm heavier, and about $1600 more expensive!, so the Farsports seem better value, and I have only read good reports about them. I have also read quite a few bad reports about the Zipps...
I'm not saying Zipp are the most durable wheels out there, far from it - but what happens when you take a wheel thats on the limit for some riders and deduct another 180g of weight from it?
If I was going to be cheap and buy a no-name carbon wheel, I definitely would not be looking for the lighest rim I could get.
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Re: Carbon wheels. Extra weight Vs Extra Aero?
Postby Alex Simmons/RST » Wed Nov 07, 2012 2:57 pm
That's exactly what I did ages ago.smileNnod wrote:Perfect solution:I purchased a second hand set of Zipp 404 Tubs
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Re: Carbon wheels. Extra weight Vs Extra Aero?
Postby usernameforme » Thu Nov 08, 2012 10:31 am
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Re: Carbon wheels. Extra weight Vs Extra Aero?
Postby Arlberg » Wed Nov 14, 2012 8:29 pm
I went for the Lightweight Meilenstein clinchers. A good mix of both light weight (They came in at 1140gm for the pair) and aero of 47.5mm. I specifically wanted clinchers for the ease of changing the tyre/tube if I get a flat. Slightly pricey but what the heck.
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Re: Carbon wheels. Extra weight Vs Extra Aero?
Postby toolonglegs » Wed Nov 14, 2012 8:34 pm
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Re: Carbon wheels. Extra weight Vs Extra Aero?
Postby Arlberg » Wed Nov 14, 2012 9:09 pm
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Re: Carbon wheels. Extra weight Vs Extra Aero?
Postby jacks1071 » Wed Nov 14, 2012 9:48 pm
I think the same thing everytime a Hyundai drives past me when I'm out in the Lotus... NOT!Arlberg wrote:I just realised that by getting the Lightweights instead of the Farsports cost me about $3500 extra just to save 180gm! .......It would be interesting to test these wheels side by side and see if the 3.5k extra is worth it. Somehow I doubt it!
Lightweights are awesome, if you can afford to buy them and replace in the event of a crash - go for it
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