Originally Posted by
lasseklokker
The blades are oval, not much, but just a little bit, and I do not know what cross-section refers to?
"Cross section" refers to how the blades would look if you sawed them off right below the crown. Round blades are typically found on track bikes. Oval blades were found on road bikes, and exist in two major profiles: "Imperial" (narrow) and "Continental" (wider):
