The Giro Aries Spherical represents the pinnacle of road racing helmet technology, according to Contender Bicycles, with Virginia Tech lab tests showing it tops all other bike helmets in safety ratings. The helmet features Giro's proprietary Spherical MIPS system combined with 24 vents and AURA II Reinforcement Arch for optimal breathability and protection. YouTube tester Guy Kesterman praised it as the lightest, fastest, and safest helmet ever made by the brand, weighing just 265 grams for medium size. While it excels in safety and comfort, its compact design may not suit all head shapes, and its premium features come with a higher price tag. This helmet is ideal for serious cyclists seeking maximum protection and performance.
- — Top safety rating from Virginia Tech labs, outperforming all other bike helmets in every category
- — 24 vents with deep internal channeling for superior breathability and cooling
- — More compact design may not suit all head shapes or sizes
- — Higher price point due to advanced safety and ventilation technologies
▾Why it's ranked here
The Giro Aries Spherical represents the pinnacle of road racing helmet technology, according to Contender Bicycles, with Virginia Tech lab tests showing it tops all other bike helmets in safety ratings. The helmet features Giro's proprietary Spherical MIPS system combined with 24 vents and AURA II Reinforcement Arch for optimal breathability and protection. YouTube tester Guy Kesterman praised it as the lightest, fastest, and safest helmet ever made by the brand, weighing just 265 grams for medium size. While it excels in safety and comfort, its compact design may not suit all head shapes, and its premium features come with a higher price tag. This helmet is ideal for serious cyclists seeking maximum protection and performance.
- — Top safety rating from Virginia Tech labs, outperforming all other bike helmets in every category
- — 24 vents with deep internal channeling for superior breathability and cooling
- — More compact design may not suit all head shapes or sizes
- — Higher price point due to advanced safety and ventilation technologies