There are volumes of information out in print and cyberspace about training for time trials. Loads and loads of information about how to prepare the engine. Specific intervals and workouts, etc… In this era of power meters and ultra-refined nutrition, it is easy to forget the broader picture and goals.
I'm willing to bet that most of you like riding your bike competitively. I realize that is loosely defined, but many of us do so, whether it's a big local race, the Saturday group ride, catching the guy in front of you.
Aerodynamic, lightweight, durable... There was a time when riders would be faced with choosing between these attributes when selecting wheels.