Truth be told, though, I’m not sure how many people will actually miss them since I never found them to work that well, anyway. For most people, it’ll feel the same as the Roc Loc 5+ cradle used on the Aether, but some might miss the lateral adjustment on the occipital pads.Īlso omitted on the Helios Spherical are the little gripper pads Giro adds to the forward vents of the Aether to help keep stashed eyewear in place. Out back, Giro equips the Helios Spherical with a Roc Loc 5 retention system that offers four height positions and a convenient knurled plastic knob to tune the circumference. ![]() The Giro Helios Spherical is a fair bit less expensive than the Aether, but I’m not sure you can make the blanket statement that it isn’t as good. Helios Spherical also does without Aether’s fancy “Aura Reinforcing Arch” polycarbonate bridges that help tie the whole exterior together, although it shares the Aether’s dual-density “progressive layering” EPS foam liner concept that supposedly does a better job of handling both slow- and high-speed impacts. Whereas the former uses a single polycarbonate shell for each of the two helmet layers, Aether is built with six separate pieces for the outer shell alone. Not surprisingly, while both helmets are still more complicated to produce than a more conventional lid, the Helios Spherical is much simpler to manufacture than the Aether. Giro obviously wasn’t just going to toss some different clothes on to the Aether and then toss a lower price on it there are some fundamental differences, too. Different in some ways, but better in others Such a design obviously adds a lot of complexity, though, and a lot of cost. Riders with longer locks will be happy to hear that MIPS Spherical eliminates the risk of snagging your hair, too. And by removing all that extra complication next to your scalp, Giro says it was also able to improve helmet comfort and ventilation performance. ![]() Because the boundary between the two layers doesn’t change with rider head size or shape, the theory is that it should help the system work more consistently and predictably in a crash. With the Aether, Giro moved that MIPS shear layer to the interior of the helmet, essentially creating a nested helmet-within-a-helmet design and a ball-and-socket layout that the two layers can rotate around. The MIPS Spherical concept essentially comprises two helmets nested one inside the other. The system has evolved significantly since it first hit the bicycle market in 2013, but every version still sat between the rider’s head and the helmet liner. According to MIPS, that layer allows the helmet to rotate a little more independently of your head during a crash to reduce the likelihood of a closed-head brain injury. MIPS Spherical recapįirst and foremost, why should you care about MIPS Spherical, anyway? MIPS, or Multi-directional Impact Protection System, originally consisted of a thin layer of yellow plastic that sat in between your head and the helmet. It still isn’t cheap, but it’s a very good helmet all on its own, and certainly the beginning of a trend we’d very much like to see continue. With the release of the new Helios, though, Giro has now brought that same safety technology down in price so that it can be accessed by more riders. ![]() That helmet was light, airy, and looked good, but also sat at the very upper end of the pricing spectrum. ![]() Giro made a big splash two years ago when it introduced its Aether flagship road helmet, together with its innovative MIPS Spherical safety technology. Heading out the door? Read this article on the new Outside+ app available now on iOS devices for members!
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