Is there any accessory item that looks quite so pro as a proper time trial helmet' Nevertheless, none of us want to be so gauche as to wear one during inappropriate situations like a criterium, for instance. But if you regularly race week long stage races that feature tests against the clock, or are in fact a serious triathlete, there are few things that will give you such an advantage without overly pinching the pocketbook as a top notch aero helmet. The Bell Javelin Helmet will keep your head practically invisible to the wind, earning you precious seconds in your fight against the clock. With decades of making helmets for all sorts of activities behind them, Bell know what they're talking about when they come out with advancements on their previous models. For this latest iteration of their speed series, Bell have spent time in the wind tunnel and taken feedback from their multitude of sponsored cyclists to create this sleekly aero and well ventilated design. But for anyone who has experience with aero helmets of the past, what will really impress you is just how darn comfortable the Javelin is. That's because they have taken into account that helmets need not only have an adjustable circumference, but also a different height in terms of where it rests on the occipital lobe. By designing their Twin Axes Gear TAG fit system, Bell has made it super easy to find the perfect way to make the Javelin suit just about any head's size around as well as up and down. Bell has taken a deep look at the details of an aero time trial helmet and sought ways to make them more user friendly. The removable race shield for the eyes is a prime example. You can either have the shield on to protect your eyes, or if you prefer to wear your own glasses, they have designed the internal adjustment system to hit higher on the head to accommodate eyewear. The SeamFlex Ear Flaps have been given an amazingly flexible feel as well, to keep you comfortable and make your triathlon transitio...