Leatt AllMtn 4.0 Mountain Bike Helmet – Lightweight Protection
$53.87
Description
Leatt AllMtn 4.0 Helmet – Engineered for Rugged Trail Dominance
Conquer alpine trails and technical descents with confidence in the Leatt AllMtn 4.0, a high-performance MTB/eBike helmet designed for riders who demand uncompromising safety and agility. Its 360° Turbine Technology redefines impact protection, reducing brain acceleration by 30% (linear) and 40% (rotational)—critical for preventing concussions during high-speed wipeouts or rocky spills.
Built for the Bold
- Alpine-Ready Ventilation: 18 strategically placed vents keep you cool during grueling climbs, while the moisture-wicking, anti-odor liner ensures freshness on multi-hour rides.
- Smart Convenience: Secure sunglasses effortlessly with the dock port, and enjoy one-handed adjustments via the Fidlock magnetic buckle—ideal for gloved hands.
- Breakaway Visor: Adjustable and designed to snap off upon impact, minimizing rotational forces to your neck.
Why Riders Choose AllMtn 4.0 Over Competitors
| Feature | Leatt AllMtn 4.0 | Standard MTB Helmets |
|---|---|---|
| Rotational Impact Protection | ✅ 40% reduction | ❌ Limited or none |
| Weight | 430g (featherlight for all-day wear) | Often 500g+ |
| Ventilation | 18 optimized vents (effective at low speeds) | Basic airflow design |
Certified to EN1078, CPSC 1203, and NTA 8776 (eBike compliant), it’s trusted by enduro racers and backcountry explorers alike. The in-molded EPS/EPO foam absorbs shocks like a pro, while the polycarbonate shell balances durability with minimalist weight.
Fit Guide:
– S (51–55cm) / M (55–59cm) / L (59–63cm)
For riders who chase vertical drops and singletrack epics—this helmet doesn’t just protect; it performs.
