MT Helmets Thunder 4 SV Yamanaka Japan A5 Gloss White Red Blue Riding Helmet
MT Helmets Thunder 4 SV Yamanaka Japan A5 Gloss White Red Blue Riding Helmet
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MT Helmets Thunder 4 SV Yamanaka Japan A5 Gloss White Red Blue Riding Helmet
The MT Helmets Thunder 4 SV Yamanaka Japan A5 is a premium full-face motorcycle riding helmet designed for riders who value safety, comfort, ventilation, and sporty styling. Featuring a striking Gloss White, Red, and Blue colour combination inspired by Japanese racing aesthetics, this helmet is suitable for daily commuting, highway rides, and sport-touring adventures.
Constructed with a High Impact Resistant Polymer (HIRP) outer shell and a dual-density EPS inner liner, the Thunder 4 SV is engineered to balance impact protection with weight. Its advanced ventilation system, integrated sun visor, and Pinlock Max Vision compatibility make it a practical choice for riders seeking reliable performance and comfort across different riding conditions.
Key Features
- Full-face motorcycle helmet with Yamanaka Japan A5 graphics
- Gloss White, Red, and Blue colour combination
- HIRP outer shell designed for impact resistance
- Dual-density EPS inner liner
- ECE 22.06, ISI, and DOT certifications, subject to the specific variant
- MT-AFCS airflow channel system for improved ventilation
- MT-RADD aerodynamic design to help reduce air resistance
- Pinlock 100% Max Vision-compatible clear visor
- Integrated retractable sun visor
- MT-QVSS quick visor replacement system
- MT-MDTC micrometric double-toothed closure system
- Hypoallergenic, removable, and washable inner padding
- Emergency release system for side cheek pads
- MT-UIC intercom-compatible design
- Extended vision area for improved peripheral visibility
- Suitable for commuting, highway riding, and touring
Advanced Technology and Performance
HIRP Outer Shell: The High Impact Resistant Polymer shell is engineered to balance structural strength, impact response, and weight for everyday and touring use.
MT-AFCS Ventilation System: The Airflow Channel System directs air through internal channels to help improve ventilation and manage heat and moisture inside the helmet.
MT-RADD Aerodynamic Design: The Reduced Aero Drag Design is developed to help minimize aerodynamic resistance and enhance comfort during highway rides.
MT-QVSS Quick Visor Swap System: This convenient mechanism allows the visor to be removed and replaced quickly, simplifying cleaning and maintenance.
MT-ESP Integrated Sun Visor: The retractable sun visor provides convenient protection against bright sunlight and can be operated using its accessible control mechanism.
Pinlock Max Vision Compatibility: The clear visor is designed to accommodate a compatible Pinlock 100% Max Vision anti-fog insert to help reduce fogging. The insert may be sold separately.
MT-MDTC Retention System: The micrometric double-toothed closure is designed to provide secure fastening with convenient adjustment.
Removable and Washable Liner: The hypoallergenic inner padding is designed for comfort and easy maintenance, helping riders keep the helmet clean and fresh.
Emergency Release System: The removable side cheek pads support easier helmet removal by trained responders in an emergency.
MT-UIC Intercom Compatibility: Dedicated provisions inside the helmet accommodate compatible communication systems, allowing riders to configure their preferred intercom setup.
Three-Point Protector System: The base design helps stabilize the helmet when placed on a flat surface and helps keep the lower helmet components away from direct contact with that surface.
Specifications
| Brand | MT Helmets |
| Model | Thunder 4 SV |
| Graphic | Yamanaka Japan A5 |
| Helmet Type | Full Face |
| Finish | Gloss |
| Colour | White, Red and Blue |
| Outer Shell Material | HIRP (High Impact Resistant Polymer) |
| Inner Shell Material | Dual-Density EPS |
| Visor Type | Clear, Pinlock Max Vision compatible |
| Sun Visor | Integrated retractable sun visor |
| Ventilation | MT-AFCS Airflow Channel System |
| Closure System | MT-MDTC Micrometric Double-Toothed Closure |
| Inner Padding | Hypoallergenic, removable and washable |
| Weight | Approximately 1650 g, with variation by shell size |
| Certifications | ECE 22.06, ISI and DOT, subject to the specific variant |
| Ideal For | Daily commuting, highway riding and touring |
| Warranty | 1 year against manufacturing defects, as specified by the seller |
| Package Includes | 1 × MT Helmets Thunder 4 SV Yamanaka Japan A5 Helmet |
Why Choose the MT Helmets Thunder 4 SV?
- Advanced shell construction and impact-management design
- Sporty Japanese-inspired graphics with a premium gloss finish
- Integrated sun visor for changing light conditions
- Efficient ventilation for enhanced riding comfort
- Quick visor replacement for convenient maintenance
- Removable and washable padding for improved hygiene
- Aerodynamic styling suited to sport-touring motorcycles
- Intercom-compatible design for connected riding
Warranty Information
The helmet carries a 1-year warranty against manufacturing defects, subject to the manufacturer's warranty policy and terms. Damage caused by accidents, impacts, misuse, or normal wear and tear may not be covered.
Important Note
Helmet weight, available sizes, certification markings, and included accessories may vary by variant. Please verify the certification labels on the specific helmet before purchase and select the correct size for a secure fit. The Pinlock anti-fog insert and intercom device should not be assumed to be included unless explicitly mentioned in the package details.
Size Chart

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