Unfortunately, I had no luck getting them into the front vents in what I’d call an acceptable way. I checked out the Eclipse’s eyewear docking capability with a set of Oakley Radars. The Eclipse has a similar look to other aero road helmets in use by the professional peloton The Eclipse uses Giro’s height-adjustable Roc Loc 5 head gripper-the Aether uses the more adjustable and more ventilated Roc Loc 5+-antimicrobial padding, Giro’s lightweight “Slimline” straps, and the same minimalist and adjustable webbing splitters used in most of its helmets. You might see some differing information floating around on this topic as Giro’s launch materials initially showed two versions of the Eclipse (CPSC 275g, CE 270g) but then “corrected” their materials less than 12 hours ahead of the official launch.Īnother potential safety feature comes with the addition of Giro’s Roc Loc 5 LED ($30), a rechargeable blinky light that clips directly to the back of the helmet’s fit system. My size medium sample had a CE sticker and weighed 266 grams. However, that’s not the situation with the Eclipse, as the US and Europe get the same version which carries a claimed weight of 270 grams (size medium). The CE version typically comes 10 to 20 grams lighter and sometimes has larger vent holes. Many helmet makers make specific versions for the two markets. Unlike many helmets, the Eclipse comes in a unified version for markets covered by CE (Europe) and CPSC (US of A) regulations. In contrast, the firmer densities work better at energy absorption in higher speed impacts. The two shells have different densities, with the softer inner shell helping reduce forces transferred to the brain in slower speed impacts.

The short version of the Spherical story is that it employs a pair of nested-or ball and socket-shells with a slip plane between them-for more details, just click on over to my story about Giro’s Aether. Like its other high-end helmets, the Eclipse uses Giro’s Spherical system to reduce rotational forces in some impacts. You can see this same design in helmets like the Specialized Evade, Kask Utopia, MET Manta, HJC Furion, and Abus GameChanger-all helmets that see a lot of use in the modern professional “marginal gains” peloton. Most of the vents are stacked low and to the sides with larger unbroken surfaces over the crown of the helmet. The design of the Eclipse bears similarities to other aero-road helmets. The Eclipse employs Giro’s signature Spherical nested shell system. However, as you’ll see, the Eclipse also essentially makes the Aether and Helios redundant. Cyclists in the USA, however, will need to hang onto their chamois a bit longer as the Eclipse will take another month or so to land here.Īs far as positioning, the Eclipse is an aero road helmet that essentially takes the place of the Vanquish in Giro’s line. But only since today is the Eclipse finally available to buy in some parts of the world. So if you watch professional bike racing, you’ve already seen this helmet. Since then, the helmet has seen regular use in both the men’s and women’s pro peloton. But if you think it looks familiar, that is because Giro seeded the Eclipse with its pro teams over a year ago. The Eclipse is Giro’s newest premium road helmet, and the company released technical info and details about this aero road lid.

Cheaper, lighter, and more aerodynamic than Giro’s Aether.

Offered in three sizes and five colors.

Fourteen vents with internal channeling.

Impressively light and well-ventilated aero road helmet.

Of course, without Giro's class-leading, plush Roc Loc 5 Air fit system, the Helios Helmet wouldn't be able to offer such a secure, yet comfortable fit.The Takeaway: If you’re buying a high-end Giro road helmet, buy this one. When combined with Hardbody Coverage for the brain and top of your spine, adventurous riders are offered the most comprehensive head protection currently available. Featuring the all-new Spherical protection system powered by MIPS which offers multi-layered impact protection, the Helios liner rotates around the shell. The Giro Helios Spherical Helmet combines Giro's ever popular Synthe MIPS II helmet with Spherical protection for multi-discipline riders.

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