Leatt MTB AllMtn 4.0 Helmet
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Leatt
Leatt

Leatt MTB AllMtn 4.0 Helmet

4.6

Best high performance head protection for dedicated all mountain trail riders.

This helmet balances high-end rotational impact protection with everyday trail convenience. It trades a slightly heavier build for superior safety tech, making it a reliable choice for aggressive trail riders who prioritize brain health over absolute weight savings.

$194.99

Out of stock

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Who it's for

  • Safety-conscious riders seeking advanced protection against rotational brain injuries
  • Aggressive trail riders tackling technical terrain and high-speed descents
  • Practical mountain bikers who value convenient storage for performance eyewear

Who should skip it

  • Weight-conscious climbers prioritizing the lightest possible gear for long ascents
  • Summer riders frequently pedaling in extreme heat or low-airflow conditions
  • Budget-oriented cyclists looking for basic protection without high-end costs

Performance breakdown

Impact Protection

360° Turbine technology sets a high bar for rotational energy management.

Excellent

Ventilation Efficiency

Eighteen vents provide reliable airflow even during slow, technical climbs.

Excellent

Ease of Use

Fidlock magnetic buckle makes securing the helmet effortless with gloves on.

Excellent

Weight Profile

At 430g, it balances robust protection with all-day riding comfort.

Good

Feature Integration

Smart additions like the sunglasses dock add genuine utility on trails.

Excellent

Maintenance Convenience

Moisture-wicking, washable liner keeps the interior fresh after sweaty rides.

Excellent

Key Specs

Weight

430g

Material

Polymer shell with In-molded EPS + EP0 impact foam

Ventilation

18 vents

Safety Technology

360° Turbine Technology

Safety Certification

AS/NZS 2063:2008, EN1078, CPSC 1203

Closure Type

Fidlock magnetic closure

Visor Type

Adjustable with breakaway function

Intended Use

Mountain Biking

Removable Padding

Yes

Eyewear Compatible

Yes

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Leatt MTB AllMtn 4.0 Helmet

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