Air resistance is such a drag.
If you look back at the history of stage races, you'll see that the margins of victory (or defeat) are agonizingly small. Eight seconds here and 15 seconds there isn't much after one to three weeks of racing. In short time trials, the gaps tend to be more like two seconds, so it's easy to understand that even the smallest aerodynamic advantages — shoe covers, aerodynamic gloves, and the like — can add up. The POC Tempor Raceday Helmet, though, is anything but a small advantage. After extensive testing in its WATTS aerodynamics lab, POC calculated that the Tempor Raceday can save you 67 seconds over a standard road helmet in a 40km time trial, which could easily be the difference between walking away with a victory or finishing in an ignominious 17th.
Most aerodynamic helmets are designed to reduce drag on themselves, but POC claims that the Tempor Raceday lowers air resistance over your whole body as well as your head. Two large vents in the front of the helmet pull in cooling air and channel it out through two small vents at the back, which direct the air around your shoulder blades to reduce resistance when you're in your steepest tuck position. The upper and lower shell of the Tempor Raceday overlap seamlessly to further reduce drag, and a detachable visor provides a seamless surface for the air to pass over.
Of course, a helmet's ultimate goal is to keep you safe, and the Tempor Raceday does so with high-quality EPS foam liner that is thicker at key impact areas. The seamless shell also disperses forces across the helmet, so you won't see too many stars if you overcook the final corner on a rainy day.
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