Somewhere around five years ago there started to be a split in high-end cycling products. One side was aero even if it meant sacrificing weight. The other side was weight first even if that meant a less aero profile. Since then, things have come back together a bit. Bike frames especially have come back to centre with even the lightest climbing bikes usually claiming aero credentials as well. Helmets haven’t been immune to any of these trends.
Tech Specs: Giro Aries Spherical
Retail price: $300 / €320 / $499 AUD / £289.99
Available colours: Canyon/SRAM, Matte Ano Blue, Matte Ano Harbor Blue Fade, Matte Black, Matte Carbon/Red, Matte Metallic Coal/Space Green, Matte White
Rotational Impact technology: MIPS Spherical
Weight: 280g as measured in size M
Our list of the best road bike helmets has some options focused on aero performance and others that allow a bit of an aero penalty in exchange for lightweight and cooling performance. When it comes to Giro, I’ve actually featured both options. While the Giro Eclipse is the aero focused choice, the latest model from Giro is actually the cooling focused Giro Aries Spherical helmet.
The Giro Aries Spherical takes a number of strategies the brand developed in previous models and moves them forward. Like The Aether Spherical before, there are numerous vents and a lightweight design with cooling as the primary design driver. This time though Giro has taken some of the latest aero concepts and put them to work in a way that makes sense in an all-around helmet. If you prefer big vents and worry about cooling in your helmet, keep reading to see if the Giro Aries Spherical makes sense as your next road or gravel bike helmet.
Design and aesthetics
For a lot of people, aero helmets are divisive. If you count yourself in that group, the Giro Aether Spherical is already going to be an attractive option. The kinds of smoothed shapes that are a hallmark of that style of helmet are missing in the Aires. Instead what you’ll find is a fairly traditional shape with what Giro claims is 24 separate vents. In reality that count is a bit optimistic on the part of Giro but the reason the brand counts like that…
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