TestedHelmetsBetter lab score
P2R A20 MIPS
5/5 stars
- STAR score
- 8.14Lower is safer
- Tested
- 2025
- Price when tested
- $55Not today's price
P2R A20 MIPS vs Giant Rev Comp MIPS
The P2R A20 MIPS scored better than the Giant Rev Comp MIPS in Virginia Tech's road lab tests: STAR 8.14 versus 9.125.
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.
Giant Rev Comp MIPS
5/5 stars
- STAR score
- 9.125Lower is safer
- Tested
- 2021
- Price when tested
- $65Not today's price
The verdict
The P2R A20 MIPS scored 8.14 and the Giant Rev Comp MIPS scored 9.125. That gives the P2R A20 MIPS about an 11% better score in Virginia Tech's lab tests.
Both earned 5 stars.
At testing, the P2R A20 MIPS cost $10 less ($55 against $65).
Virginia Tech tested these in 2021 and 2025. Check that the one you buy is the version that was tested.
Is the better lab score worth it?
Easy call. The P2R A20 MIPS 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.
Compare more road helmets
- P2R A20 MIPS vs POC CytalThe POC Cytal scored about 8% better in Virginia Tech's lab tests and cost $275 more at testing.
- SCOTT ARX MIPS 2026 vs P2R A20 MIPSThe P2R A20 MIPS scored about 6% better in Virginia Tech's lab tests and cost $44 less at testing.
- Outdoor Master PEBBLE MIPS vs P2R A20 MIPSThe P2R A20 MIPS scored about 20% better in Virginia Tech's lab tests and cost $5 less at testing.
- Giro Aries Spherical vs POC CytalThe POC Cytal scored about 11% better in Virginia Tech's lab tests and cost $30 more at testing.
- Bell Z20 MIPS vs Giro Aries SphericalThe Giro Aries Spherical scored about 25% better in Virginia Tech's lab tests and cost $70 more at testing.
- POC Cytal vs Giro Aether SphericalThe POC Cytal scored about 40% better in Virginia Tech's lab tests and cost $5 more at testing.
- Giro Eclipse Spherical vs Giro Aries SphericalThe Giro Aries Spherical scored about 25% better in Virginia Tech's lab tests and cost $50 more at testing.
- PIKIO Si OBLIK vs POC CytalThe PIKIO Si OBLIK scored about 39% better in Virginia Tech's lab tests and cost $49 more at testing.
- SCOTT ARX MIPS 2026 vs Lumos Aero GT MIPSThe SCOTT ARX MIPS 2026 scored about 14% better in Virginia Tech's lab tests and cost $1 less at testing.
- SCOTT ARX MIPS 2026 vs Specialized Chamonix 3The SCOTT ARX MIPS 2026 scored about 10% better in Virginia Tech's lab tests and cost $19 more at testing.
- Giant/Liv Rev Pro MIPS (2026) vs Giro Aries SphericalThe Giro Aries Spherical scored about 15% better in Virginia Tech's lab tests and cost $25 less at testing.
- Specialized S-Works Evade 4 vs Specialized Prevail 3The Specialized Prevail 3 scored about 18% better in Virginia Tech's lab tests and cost $50 less at testing.
- Sweet Protection Falconer Aero 2Vi MIPS vs Specialized S-Works Evade 4The Sweet Protection Falconer Aero 2Vi MIPS scored about 13% better in Virginia Tech's lab tests and cost $50 less at testing.
- Sweet Protection Fluxer MIPS vs KAV SilvoThe KAV Silvo scored about 15% better in Virginia Tech's lab tests and cost the same at testing.
- Lumos Ultra MIPS vs Lumos Ultra E-Bike MIPSThe Lumos Ultra MIPS scored about 25% better in Virginia Tech's lab tests and cost $60 less at testing.
- Specialized Loma vs Lumos Aero GT MIPSThe Lumos Aero GT MIPS scored about 9% better in Virginia Tech's lab tests and cost $20 less at testing.