You need only tune in for a few minutes of the Tour de France to understand that the event is all about speed. As you watch the world’s best cyclists powering up the French Alps and tearing through the streets of Paris, you’ll notice that there’s nothing superfluous on their racing bikes. If an item doesn’t make the bike lighter or faster, if it doesn’t provide the rider with any advantage, or if it can’t be designed in a streamlined way, it’s simply not on the bike. Not a single bike racing in the Tour de Fra…