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Propero 4 Bike Helmet

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Why We Like The Specialized Propero 4 Bike Helmet

The lightweight Specialized Propero 4 Bike Helmet brings comfort, confidence, and high speeds to our ride with its durable full-wrap polycarbonate shell, optimized ventilation, and aerodynamic technologies. Using the DNA of the S-Works Prevail 3 and S-Works Evade 3 helmets, Specialized designed a helmet that balances speed and ventilation by utilizing Computational Fluid Dynamics (CFD) for an increase in airflow and cooling with the leading-edge aerodynamic efficiency of the front-end design. To increase protection, we adjust the FS3 Fit System and Occipital Base Adjustment for a personalized fit for our head shape, keeping the helmet secure and in place, while the use of Mips technology reduces rotational force to the head upon unwanted impacts.


  • Helmet with optimized aerodynamics, ventilation, and lightweight design
  • Precision, full-wrap polycarbonate shell for added durability
  • Tested to be 4 watts faster than the S-Works Prevail 3 in the wind tunnel
  • Micro Channeling creates turbulence in the airflow for continuous circulation
  • Mips C-Solution helps reduce rotational force to the head upon impact
  • Find a perfect, secure fit with the FS3 Fit System and Occipital Base Adjustment
  • Stash glasses in the built-in storage during coffee stops or bathroom breaks
  • Item #SCQ1X05
Shell Material
Impact Management
Mips C-Solution
micro channeling, large rear-end vents
Fit Adjustment
FS3 Fit System and Occipital Base Adjustment
Complies with U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older.
Claimed Weight
[medium] 290g
road cycling
Manufacturer Warranty
2 years

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