TestedHelmetsBetter lab score
Sweet Protection Fixer Carbon 2Vi MIPS
5/5 stars
- STAR score
- 7.659Lower is safer
- Tested
- 2026
- Price when tested
- $650Not today's price
Sweet Protection Fixer Carbon 2Vi MIPS vs O'NEAL Sonus
The Sweet Protection Fixer Carbon 2Vi MIPS scored better than the O'NEAL Sonus in Virginia Tech's full-face lab tests: STAR 7.659 versus 11.781.
Both are full-face 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.
O'NEAL Sonus
4/5 stars
- STAR score
- 11.781Lower is safer
- Tested
- 2024
- Price when tested
- $100Not today's price
The verdict
The Sweet Protection Fixer Carbon 2Vi MIPS scored 7.659 and the O'NEAL Sonus scored 11.781. That gives the Sweet Protection Fixer Carbon 2Vi MIPS about a 35% better score in Virginia Tech's lab tests.
The Sweet Protection Fixer Carbon 2Vi MIPS earned 5 stars and the O'NEAL Sonus earned 4.
At testing, the Sweet Protection Fixer Carbon 2Vi MIPS cost $550 more ($650 against $100).
Is the better lab score worth it?
Worth it if the budget allows. A lab score about 35% better, plus 5 stars against 4, is a real gap for about $550 more.
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.