Who it's for

  • Aggressive trail riders seeking full-face confidence in an open design
  • Safety-conscious mountain bikers prioritizing advanced impact and rotational protection
  • Hot-weather riders needing maximum coverage without sacrificing cooling airflow

Who should skip it

  • Riders who frequently store goggles on their helmet visor
  • Weight-sensitive cyclists preferring lightweight, minimalist half-shell helmets
  • Cyclists who prefer precise, on-the-fly rear dial fit adjustments

Performance breakdown

Safety Certification

NTA-8776 rating ensures robust protection for high-speed e-bike commuting.

Excellent

Ventilation Efficiency

Big Bore vents and reduced contact area keep airflow moving constantly.

Excellent

Fit Customization

BOA system provides precise, secure adjustments for various head shapes.

Excellent

Impact Protection

MIPS integration effectively manages rotational forces during angled impacts.

Excellent

Usability Features

Fidlock closure and GoPro mount add genuine convenience for daily riders.

Excellent

Comfort and Hygiene

Ionic+ liner effectively combats odors during long, sweaty summer rides.

Excellent

Key Specs

Size

20.1-21.7"

Size

21.7-23.2"

Size

23.2-24.8"

Still have a question?

Ask Metto anything about the Fox Racing Dropframe Pro Kairos before you decide.

Fox Racing Dropframe Pro Kairos

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