MCFK 25/35 mm aero performance

Everything about building wheels, glueing tubs, etc.
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Ivan
Posts: 358
Joined: Mon Oct 20, 2003 7:11 pm
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by Ivan

Hi all,

Got myself a new road bike with disc brakes (canyon ultimate CF SLC). The stock wheels on this bike are 65 mm DT swiss and while they roll very good, a light rider (72 kg) with a light bike and 65 mm wheels means I get tossed around quite a lot on windy days, even up to the point that it becomes dangerous for me. So I was looking for new wheels. Something shallow but still relatively aero. Besides the obvious choices (roval CLX32, ENVE SES 3.4 and shimano C40) I also came across MCFK with their 25 mm or 35 mm rims. On paper, they seem very good, a reputable manufacturer, tubelss compatible, reasonable weight. The only reason not to go for their rims would be the aero performance. Is there proof out there that MCFK rims have a worse aero profile compared to the big names ? Will the difference be enough to be noticed ?

Thanks
He ride a bike instead of a car I wanna be his friend
Golden Earring - Going to the run

moyboy
Posts: 164
Joined: Thu Aug 18, 2016 12:19 am

by moyboy

There is a test of the various wheels from tour magazine in Germany.

I think one test had the test of the MCFK 55 against other disc based wheelsets. They fared well. I own a set of 35s and they are great.

http://www.tour-magazin.de/raeder/rennr ... 08638.html

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Ivan
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by Ivan

Thanks for your reply. Not much to find about MCFK wheels/rims on the internet, care to share your review ?
He ride a bike instead of a car I wanna be his friend
Golden Earring - Going to the run

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Beaver
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Joined: Wed Aug 18, 2004 6:06 pm
Location: Lower Saxony - Germany

by Beaver

In general: the torodial rims have the lowest drag but are affected most by crosswinds. The teardrop shape used by Reynolds has slightly more drag, but is not affected by crosswinds that much. The round V-shapes are in between. Would you notice the difference of rims the same height? Yes, but don't expect too much, the differences are marginal. What also helps, is a tire that is not wider than the rim and a fork with legs that are wide spread (Stork Fascenario.3).

Those MCFK rims should be fine, the company has a good reputation.

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