MT Thunder 4 SV Full Face Motorcycle Helmet

The MT Thunder 4 SV helmet combines advanced features with a sporty full-face design. It suits men and women who want reliable protection and riding comfort. This full face motorcycle helmet works for commuting, touring, racing, and track riding.
The MT Thunder 4 SV helmet features dual lenses for versatile visibility. It also includes an integrated sun visor for changing light conditions. The clear outer visor provides a wide and unobstructed field of view.
Full-Face Protection
The MT Thunder 4 SV helmet features a durable HIRP outer shell. HIRP means High Impact Resistant Polymer. The shell provides a strong structure for everyday motorcycle riding.
This full face motorcycle helmet covers your head, cheeks, and chin. It provides more coverage than an open-face helmet design. The helmet is suitable for motorcycles and electric motorcycles.

Safety Specifications
- DOT quality certificate
- ECE-R22/05 quality certificate
- SHARP quality rating
- E-Mark certification
- HIRP outer shell
- Full-face helmet construction
- Unisex design
Important: Always follow local helmet regulations before riding.
Dual-Lens System
The helmet features a practical dual-lens system. The transparent outer visor provides clear vision during daytime riding. The integrated sun visor helps reduce glare in bright conditions. The internal sun visor is easy to operate with gloves. This feature makes quick adjustments easier during your ride.
The visor also features Max Vision Pinlock preparation. This preparation supports compatibility with an anti-fog insert.

Aerodynamic Rear Spoiler
The large rear spoiler provides a sporty racing-inspired appearance. It also helps improve helmet stability at higher speeds. The aerodynamic design suits riders who enjoy performance-focused motorcycle gear.
It works well for track days, touring, and everyday commuting.
Improved Ventilation System
The MT Thunder 4 SV helmet features multiple air intakes. A large rear extractor helps remove warm air from inside. This ventilation system promotes better airflow during longer rides. It helps maintain a more comfortable internal climate.
The improved airflow makes this full face motorcycle helmet suitable for all seasons.
Comfortable Removable Interior
The laser-cut inner lining provides a comfortable fit around your head. The lining is fully removable for convenient cleaning. You can wash the interior lining after regular motorcycle use. This helps maintain a fresher helmet interior over time.
The wide neck collar also improves overall riding comfort. A chin curtain helps reduce wind exposure and unwanted noise.

Emergency Release System
Safety-focused features extend beyond the outer shell. The inner liner includes an emergency release system. The system allows the chin pads to be removed during emergencies. This design can help reduce unnecessary movement during helmet removal.
Secure Micrometric Buckle
The helmet uses a micrometric chin strap buckle. It provides quick and convenient fastening before every ride. The buckle allows easy adjustment for a secure fit. It also makes helmet removal simple after your journey.
Unisex Fit and Multiple Sizes
The MT Thunder 4 SV helmet is designed for both men and women. It is available in several sizes for different head measurements.
Check the manufacturer’s sizing guide before ordering. A properly fitted helmet should feel secure without excessive pressure.
Two Outer Shell Sizes
The helmet uses two outer shell sizes for improved proportions.
- XS–S–M
- L–XL–2XL
This construction helps provide a more balanced helmet fit across sizes.

All-Season Motorcycle Helmet
The MT Thunder 4 SV helmet is suitable for year-round riding.
Its ventilation system supports airflow during warmer conditions.
Its chin curtain helps reduce wind exposure during colder rides.
The helmet works well for commuting, travel, touring, and track use.
It also suits riders using motorcycles and electric motorcycles.
Riding Applications
This full face motorcycle helmet supports several riding applications.
- Motorcycle commuting
- Long-distance travel
- Motorcycle touring
- Track riding
- Racing activities
- Electric motorcycle riding
- Everyday road riding
Key Features of The MT Thunder 4 SV helmet
- DOT & ECE Certified: Meets listed DOT and ECE-R22/05 certification standards.
- Full-Face Protection: Provides extensive coverage for the head, cheeks, and chin.
- HIRP Outer Shell: Uses High Impact Resistant Polymer for durable construction.
- Dual-Lens System: Includes a clear outer visor and integrated sun visor.
- Pinlock Ready: The outer visor features Max Vision Pinlock preparation.
- Advanced Ventilation: Multiple air intakes and a rear extractor improve airflow.
- Emergency Release: Emergency-release cheek pads support safer helmet removal.
- Aerodynamic Spoiler: The rear spoiler helps improve stability at higher speeds.

Why Choose the MT Thunder 4 SV?
The MT Thunder 4 SV helmet combines protection, visibility, comfort, and aerodynamic styling. Its dual-lens system provides flexibility for changing riding conditions. The removable lining makes maintenance simple after frequent use. Its ventilation system helps improve airflow during longer rides.
The full face motorcycle helmet design provides extensive head and face coverage. Its sporty spoiler adds a distinctive racing-inspired appearance.
Product Specifications
| Feature | Details |
|---|---|
| Brand | MTHELMETS |
| Model | THUNDER 4 SV |
| Helmet Type | Full Face |
| Material | HIRP |
| Gender | Unisex |
| Sizes | S, M, L, XL, 2XL, 3XL, 4XL |
| Lenses | Dual Lenses |
| Outer Lens | Transparent |
| Certification | DOT, ECE-R22/05 |
| Additional Rating | SHARP |
| Certification Mark | E-Mark |
| Seasons | All Seasons |
| Applications | Motorcycles, Racing Cars, Electric Motorcycles |
| Uses | Track, Travel, Commuting |
| Origin | Mainland China |
Choose the MT Thunder 4 SV helmet for commuting, touring, travel, or track riding.

















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