Aerodynamicness

It affects a lot of things. Such as strength, weight, stiffness, aerodynamicness of wheel, and whether or not a tennis ball gets stuck in your wheel (a penalty).

.[…] dress fare and heavy duty leggings — both made out of a special material Leah and I had devised to enhance my aerodynamicness.

I find this stack to be the best combination of stability and aerodynamicness.