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| Technology | High performance EPS/PC shell |
|---|---|
| Air Vents | 3 air vents, 6 longitudinal inner air flow channels |
| Sizing system | Air fit system with height adjustment and webbing connection |
| Pads | Non-allergenic washable comfort pads |
| Fit | Pro |
| Size (cm) | S (53-56), M (54-58), L (57-61) |
| Weight (g) | S (438g), M (438g), L (468g) |
| Ideal For | Time Trail Race |
Alien, Limar’s new Time Trial helmet, represents a significant advancement in aerodynamics, not only for its innovative design and use of advanced technologies, but also for the meticulous approach taken in its aerodynamic testing. In addition to tests in ideal conditions, we extended the tests to realistic scenarios, simulating the wind conditions commonly encountered in road time trials, with wind angles varying between 5 and 10 degrees. These tests revealed that “Alien” particularly excels in these real conditions, exceeding expectations and offering even better performance than the results obtained in CFD and wind tunnel tests. This confirms that “Alien” is not only optimized for ideal laboratory conditions, but is truly adapted to the dynamic challenges of road cycling, offering cyclists an unparalleled aerodynamic advantage.
The distinctive element of "Alien" is the design of the upper shell, in particular in two distinct areas: the lateral part and the central part. On the sides, Alien is designed to generate an aerodynamic effect known as Outwash, also widely used in Formula One. This technique allows the air that hits the athlete to be deflected, moving it laterally with respect to the figure and in particular away from the shoulders.
The central part of the upper shell, on the other hand, is designed to create and maintain laminar flows along the cyclist's back, thanks to the Coanda effect. This area works in synergy with the lower shell, which uses the same principle to reduce turbulence in the area between the helmet and shoulders and by efficiently directing air above them, it feeds the flows generated by the upper part.
The combination of these two phenomena that direct the air flows ensure a reduction in resistance and optimal air flow around the cyclist's body, improving aerodynamic performance. This reduces resistance to advancement and improves aerodynamic efficiency, making "Alien" a truly innovative helmet in the panorama of time trial cycling.
In concrete terms, the aerodynamic advantage of Alien, compared to its predecessor, the Air King Evo, translates into significant energy savings, offering the cyclist an advantage of approximately 10 watts which allows him to maintain high speeds with less effort, optimising performance in the race.
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