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Originally Posted by Vman455

There isn't that much to it, though--I count eight bolts, two rods, four plates, and the fairings themselves. To compare, this wheel:

[img]http://i266.photobucket.com/albums/ii252/jbradle3/IMAG0572.jpg[/img

...which is an aluminum box-section rim with a fairly substantial fairing, weighs just over two pounds.

Also, he shouldn't be claiming "up to 20 percent faster without any extra effort," when there was no controlled testing to generate that number.

The fairings are made from aluminum...so I'm guessing they aren't just some thin sheets on there.

Upper Wheel Fairings, by contrast, are attached to the top section of the fork and seatstays, then finely adjusted in order to get the aluminum fairings themselves as snug with the sides of the wheels as possible – without actually touching them. Nylon spacers keep the fairings from damaging the rims, should they make contact due to wind gusts or vibrations.