Who it's for

  • Safety-conscious riders seeking premium protection at a mid-range price point.
  • Versatile trail riders who frequently switch between goggles and sunglasses.
  • High-intensity mountain bikers who struggle with sweat fogging their lenses.

Who should skip it

  • Hot-weather riders who prioritize maximum ventilation over all other features.
  • Weight-conscious cross-country racers looking for the lightest possible gear.
  • Riders with unique head shapes who require precise strap positioning.

Performance breakdown

Impact Protection

MIPS integration provides crucial rotational safety for aggressive trail riding.

Excellent

Ventilation Efficiency

Fifteen vents keep airflow consistent during high-exertion climbs.

Excellent

Fit Customization

The Float Fit system allows for precise, secure adjustments on the fly.

Excellent

Weight Profile

Solid construction adds durability, though slightly heavier than pure racing lids.

Good

Trail Versatility

Goggle compatibility and adjustable visor adapt easily to changing trail conditions.

Excellent

Moisture Management

Sweat guide padding effectively keeps perspiration out of your eyes.

Excellent

Key Specs

Construction

Fusion In-Mold Polycarbonate

Safety Technology

Mips Evolve

Fit System

Float Fit

Weight

380g

Number of Vents

15

Visor Type

Adjustable

Intended Use

Mountain Biking

Safety Certification

CPSC

Compatibility

4Forty MIPS and Hela helmets

Know before you buy

Still have a question?

Ask Metto anything about the Bell 4Forty MIPS Helmet before you decide.

Bell 4Forty MIPS Helmet

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