SMK Allterra X-Sprint Helmet GL-921 – MX Performance & Off-Road Protection
Designed for off-road riders who demand maximum safety, comfort, and visibility, the SMK Allterra X-Sprint Helmet GL-921 delivers superior performance on all terrains. Combining cutting-edge protection with bold MX-inspired styling, it’s built for serious motocross enthusiasts.

Enhanced Protection

• Dual-Shell Safety – Features 2 injected EIRT outer shells for superior impact resistance.

• Secure Fit – Ergonomically designed for a snug, comfortable fit during aggressive off-road rides.

• Durable Peak – Removable and adjustable peak enhances riding flexibility and sun protection.

Maximum Comfort & Ventilation

• Hypoallergenic Liner – Washable, removable liner with anti-moisture and antistatic properties for all-day freshness.

• Advanced Ventilation – Multi-channel airflow system with strategically placed inlets and exhausts for superior cooling.

• Lightweight Build – Reduces rider fatigue on long trails for all-day riding ease.

Superior Visibility

• Extra-Wide Eye Port – Compatible with MX goggles for a secure and stable fit.

• Enhanced Track View – Wide field of vision ensures clear sightlines during intense off-road action.

Style & Options

• Versatile Designs – Available in bold graphics and solid finishes to suit your riding style.

• MX-Inspired Look – Aggressive, off-road design paired with performance-driven construction.

• FAQs

  Q1: Is the SMK Allterra X-Sprint Helmet suitable for all off-road riding?
  A1: Yes, it is designed for motocross and off-road adventures with maximum protection and ventilation.

  Q2: Can I use my MX goggles with this helmet?
  A2: Absolutely, it has an extra-wide eye port designed to securely fit all standard MX goggles.

  Q3: Is the liner removable and washable?
  A3: Yes, the hypoallergenic liner is fully removable and washable for easy maintenance.

  Q4: Does the helmet reduce rider fatigue?
  A4: Yes, its lightweight construction and advanced ventilation system help reduce fatigue on long rides.

  Q5: Are there multiple design options available?
  A5: Yes, it comes in both bold graphics and solid color finishes to match your style.