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Which type of wheels are faster?(4 posts)

Which type of wheels are faster?liu02bhs
Mar 31, 2002 4:02 PM
There are many types of aero wheels out there, but which is faster?

*Blade carbon spoke (HED, Spinergy, etc.)
*Deep sectioned wheels. And what rim depth get the most bang for the dish?

How fast do you have to go to get a significant increase in speed?
more surface area = more aerostr8dum1
Apr 1, 2002 6:56 AM
www.hedcycling.com has a nice chart
re: Which type of wheels are faster?JimP
Apr 1, 2002 1:27 PM
Deeper is faster, except in a crosswind, The 3 spoke carbon wheels, like HED and Nimble are more than just a 3 spoke wheel with a deep rim cross section. The spokes are also an airfoil section which helps to reduce drag unlike the 8 spoke Spinergy. I read about a test performed at Texas A&M University that rated the HED-3 and Nimble Crosswinds almost the same. I ride a pair of Nimble Crosswinds and find them faster than any other wheelset I have ridden. The effect for me isn't the speed any more, but since I can't ride daily it allows me to ride longer with less effort.
significant increase in speed?RideLots
Apr 2, 2002 6:28 AM
Aero actually benefits slower riders more in terms of absolute time saved, as you are out on the road longer for a given distance. It benefits faster riders more in terms of percentage savings. So, depends upon what you mean by "significant?" It's explained well here:

http://www.cervelo.com/qa/article5.html

http://www.cervelo.com/qa/cervelo-calc.html