Originally Posted by
dmcdam
Look up the description for HED Belgiums on the Wheelbuilder website. Look up any description for Kinlin or H+son archetypes on the various custom Wheelbuilder sites. They're all referred to as "aero" rims, either regarding either the depth or the wider widths.
just checked on wheelbuilder.com for HED belgium, and again, nothing about being aero.
That being said tho, the Flo 30's do look like a mighty good option, especially with that toroidal shape much like the zipp 101's.