Giant/Liv Rev Pro MIPS (2026)
- STAR score
- 9.857Lower is safer
- Tested
- 2026
- Price when tested
- $325Not today's price
The Giro Aries Spherical scored better than the Giant/Liv Rev Pro MIPS (2026) in Virginia Tech's road lab tests: STAR 8.404 versus 9.857.
Both are road helmets in Virginia Tech's ratings, so their scores compare fairly. Here is how they did in the lab and what each cost when tested.
Better lab score
The Giro Aries Spherical scored 8.404 and the Giant/Liv Rev Pro MIPS (2026) scored 9.857. That gives the Giro Aries Spherical about a 15% better score in Virginia Tech's lab tests.
Both earned 5 stars.
At testing, the Giro Aries Spherical cost $25 less ($300 against $325).
Virginia Tech tested these in 2023 and 2026. Check that the one you buy is the version that was tested.
Easy call. The Giro Aries Spherical scored better and cost less.
Prices are what each helmet cost when Virginia Tech tested it. Check today's price, the exact model and the fit before you buy. Source: Virginia Tech Helmet Lab bicycle helmet ratings.