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Compare Best MTB Helmets head to head

Pick any two picks from this list and see specs, current price, pros, cons and reader ratings side by side.

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Super Air R Spherical

#6 on this list

Super Air R Spherical

Bell

Removable chin bar turns one lid into a trail helmet and a light full-face for shuttle days.

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A3

#7 on this list

A3

Troy Lee Designs

Deep coverage with a dual-density EPS and a genuinely comfortable liner for long days.

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Specs side by side

Super Air R Spherical versus A3 specifications
SpecSuper Air R SphericalA3
ConvertibleRemovable chin bar
Safety TechSpherical Technology powered by MIPS
Ventilation18 Vents (19 full-face)Adequate for most conditions
Retention SystemFloat Fit3-position height adjust
WeightMid-range for convertible
VisorAdjustable with goggle guideAdjustable, goggle-compatible
CoverageDeep Trail/Enduro
Safety FeaturesDual-density EPS, MIPS
LinerWashable, moisture-wicking

What our reviewers liked and didn't

Super Air R Spherical

  • Truly versatile with secure, removable chin bar
  • Advanced Spherical MIPS safety technology
  • Excellent ventilation in both configurations
  • Comfortable and secure fit for varied head shapes
  • Lighter than most dedicated full-face helmets
  • Higher price point compared to dedicated half-shells
  • Heavier than most dedicated half-shells
  • Not as robust as a full-on downhill helmet

A3

  • Deep, confidence-inspiring coverage for varied trail riding
  • Exceptional all-day comfort with a secure, stable fit
  • Dual-density EPS provides broad impact protection
  • Highly adjustable visor with excellent goggle integration
  • Robust construction for durability and resilience
  • Not the lightest option for long, hot climbs
  • Ventilation is good, but not best-in-class for extreme heat
  • Bulkier profile compared to minimal trail helmets

Prices change constantly — the figure shown is the last verified catalog price, and the buy buttons always go to the current listing.