Specialized Virtue Aero Bottle

You've pulled out all the stops for your dream time trial/triathlon rig, so you're going to need a slick bottle for it. Enter Specialized's Virtue Aero Bottle. It carries 21 ounces of your favorite go juice and has a narrow profile that cuts through the wind and acts as a fairing to reduce drag as you strive to beat the clock. Aero bottles are among the best upgrades for free speed.