![]() ![]() It also makes install and removal from your head a breeze. Giro’s Aerohead sees an integrated wrap-around visor that uses ultra-strong magnets to keep the shield in place, or hold it flipped up and out of the way if you need some extra airflow. It's there already, so just flip it down once you're on the move. The magnetic visor snaps in place upside down, meaning that's one less thing to remember to pick up. The magnetic buckle is quick and easy to work one-handed in the panicked rush of transition, and the rear dial is easy to access unlike the POC Cerebel and others. ![]() Inside there's a gel pad to aid grip and comfort, and Met's Safe-T Orbital retention system provides a wraparound adjustment, four vertical positions and positions of occipital adjustment too. However, this will cover the vents, which themselves are surprisingly useful given their diminutive size. The front comes with a magnetic clip-on visor, which is available in three colours and can be flipped if you want to keep them out of the way. With its shortened tail, the Codatronca will remain aero, no matter if you're locked into the perfect position or you're tired and letting your head drop. When we posted our review of the Met Codatronca there were plaudits among our testers for its comfort, providing a snug fit without any concerning pinch or prod points, no matter the position of your head.Īnd it's on the subject of head position where this helmet stakes its claim among the best. One of the best short-tail time trial helmets we've tested is the Met Codatronca - literally translated as 'truncated tail'. ![]() That's not just the conjecture from the team here at Cyclingnews either, if you'd like to dive deep into the science of it an excellent reference article is ' Riding against the wind: a review of competition cycling aerodynamics (opens in new tab)' published in 2017. In fact, while the best triathlon and TT wheels are another significant factor, a helmet can make a greater difference for a smaller financial investment. Because the helmet represents the leading edge of your body as it cuts through the wind, the importance of choosing the right one is hard to overstate. One of those functions is the ability to move through the air, meaning as you increase your speed, the aerodynamic forces become an ever-greater limiting factor. Anytime you ride a bike, the speed at which you travel is a function of your ability to overcome the forces acting against you. Choosing one of the best time trial helmets is one of the easiest and most cost-effective ways to shave time off of the bike leg of a triathlon or time trial. ![]()
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