{ "@context": "https://schema.org", "@type": "Product", "api_version": "2.0", "generated_at": "2026-10-08T18:15:15+00:00", "post_type": "helmet", "metadata": { "id": 27117, "title": "Thunder 4 SV", "slug": "mt-helmets-thunder-4-sv-3", "url": "https://helmetsan.com/helmets/mt-helmets-thunder-4-sv-3/", "language": "en", "brand": "", "category": "Full Face", "featured_image": "", "excerpt": "Spanish sport helmet with Max Vision visor and multi-density EPS. The Thunder 4 SV is engineered as a high-integrity Full Face protective system by MT Helmets, utilizing a structural shell constructed from HPFC Composite. This structural layup is engineered to provide progressive kinetic energy dissipation during impact deceleration, distributing localized shock across outer lamina layers ... Read more", "modified": "2026-09-06T07:06:57+05:30" }, "identifiers": { "sku": "MTH-MTHELM", "ean13": "8056321490000", "mpn": "THUNDER-4-SV", "asin_us": "B07QZVX8YJ", "asin_status": "verified", "regions_covered": 22, "amazon": { "us": { "asin": "B07QZVX8YJ", "status": "verified" } } }, "specifications": { "brand": "N/A", "helmet_family": "Thunder 4 SV", "material": "N/A", "weight_g": 1442, "weight_lbs": "3.18", "homologation_standard": "ECE 22.06", "sharp_rating": "5", "rotational_tech": "1", "strap_type": "Double D-Ring", "noise_db_at_100kph": 86, "comms_ready": "Generic Speaker Cutouts", "head_shape": "Intermediate Oval" }, "variants": [ { "id": "mt_helmets_thunder_4_sv_gloss-black", "entity": "helmet", "title": "MT Helmets Thunder 4 SV Gloss Black", "type": "Full Face", "parent_id": "mt_helmets_thunder_4_sv", "helmet_family": "Thunder 4 SV", "head_shape": "Intermediate Oval", "color": "Gloss Black", "color_family": "Black", "sku": "MTH-THUN-BLK", "finish": "gloss", "is_graphic": false, "availability": "instock", "description": "The MT Helmets Thunder 4 SV is a benchmark Full Face helmet crafted in Global Certified. Built around Advanced multi-composite aerodynamic shell geometry engineered for optimal impact absorption and stability, it is engineered specifically for Intermediate Oval ergonomics. Designed for aggressive forward tuck and sport-touring postures, delivering maximum high-speed aerodynamic stability and full-coverage chin protection. Certified safety and ergonomic comfort for everyday riding confidence.", "product_details": { "description": "Spanish sport helmet with Max Vision visor and multi-density EPS." }, "price": { "current": 199.99, "usd": 199.99, "eur": 183.99, "gbp": 157.99 }, "specs": { "material": "HPFC Composite", "weight_g": 1450, "weight_lbs": 3.2, "certifications": [ "ECE 22.06" ] }, "geo_media": [ "https://helmetsan.com/assets/helmets/mt_helmets_thunder_4_sv_gloss_black_front.png", "https://helmetsan.com/assets/helmets/mt_helmets_thunder_4_sv_gloss_black_side.png" ], "helmet_types": [ "Full Face" ], "introduction": "Positioned in MT Helmets's Full Face lineup, the Thunder 4 SV brings Global Premium engineering to riders seeking balance between weight, cabin acoustics, and impact protection. Designed for an Intermediate Oval fitment, it connects daily usability with certified ECE 22.06 track safety.", "story": "The MT Helmets Thunder 4 SV represents Global Premium head protection design, incorporates aerodynamic shell sculpting and multi-density EPS impact damping. Its HPFC Composite shell dampens high-speed wind resonance while multi-density EPS channels absorb kinetic energy across direct and oblique impact vectors.nnOn the road, intake ports channel cool air across the scalp, keeping cabin noise around 86.5 dB at 100 km/h. For riders seeking a HPFC Composite Full Face helmet tailored to an Intermediate Oval head shape, the Thunder 4 SV delivers verified safety and long-distance rider comfort.", "finish_profile": "MT Helmets Thunder 4 SV Gloss Black (gloss finish) u2014 Treated with a mirror-finish deep gloss clearcoat that repels road grime and simplifies bug cleanup.", "editorial_note": "MT Helmets Thunder 4 SV in MT Helmets Thunder 4 SV Gloss Black. The sweet spot for everyday street riders seeking lightweight comfort, crisp aerodynamics, and modern safety." }, { "id": "mt_helmets_thunder_4_sv_silver-metallic", "entity": "helmet", "title": "MT Helmets Thunder 4 SV Silver Metallic", "type": "Full Face", "parent_id": "mt_helmets_thunder_4_sv", "helmet_family": "Thunder 4 SV", "head_shape": "Intermediate Oval", "color": "Silver Metallic", "color_family": "Grey", "sku": "MTH-THUN-GRE", "finish": "gloss", "is_graphic": false, "availability": "instock", "description": "The MT Helmets Thunder 4 SV is a benchmark Full Face helmet crafted in Global Certified. Built around Advanced multi-composite aerodynamic shell geometry engineered for optimal impact absorption and stability, it is engineered specifically for Intermediate Oval ergonomics. Designed for aggressive forward tuck and sport-touring postures, delivering maximum high-speed aerodynamic stability and full-coverage chin protection. Certified safety and ergonomic comfort for everyday riding confidence.", "product_details": { "description": "Spanish sport helmet with Max Vision visor and multi-density EPS." }, "price": { "current": 199.99, "usd": 199.99, "eur": 183.99, "gbp": 157.99 }, "specs": { "material": "HPFC Composite", "weight_g": 1450, "weight_lbs": 3.2, "certifications": [ "ECE 22.06" ] }, "geo_media": [ "https://helmetsan.com/assets/helmets/mt_helmets_thunder_4_sv_silver_metallic_front.png", "https://helmetsan.com/assets/helmets/mt_helmets_thunder_4_sv_silver_metallic_side.png" ], "helmet_types": [ "Full Face" ], "introduction": "Positioned in MT Helmets's Full Face lineup, the Thunder 4 SV brings Global Premium engineering to riders seeking balance between weight, cabin acoustics, and impact protection. Designed for an Intermediate Oval fitment, it connects daily usability with certified ECE 22.06 track safety.", "story": "The MT Helmets Thunder 4 SV represents Global Premium head protection design, incorporates aerodynamic shell sculpting and multi-density EPS impact damping. Its HPFC Composite shell dampens high-speed wind resonance while multi-density EPS channels absorb kinetic energy across direct and oblique impact vectors.nnOn the road, intake ports channel cool air across the scalp, keeping cabin noise around 86.5 dB at 100 km/h. For riders seeking a HPFC Composite Full Face helmet tailored to an Intermediate Oval head shape, the Thunder 4 SV delivers verified safety and long-distance rider comfort.", "finish_profile": "MT Helmets Thunder 4 SV Silver Metallic (gloss finish) u2014 Treated with a mirror-finish deep gloss clearcoat that repels road grime and simplifies bug cleanup.", "editorial_note": "MT Helmets Thunder 4 SV in MT Helmets Thunder 4 SV Silver Metallic. The sweet spot for everyday street riders seeking lightweight comfort, crisp aerodynamics, and modern safety." }, { "id": "mt_helmets_thunder_4_sv_gloss-white", "entity": "helmet", "title": "MT Helmets Thunder 4 SV Gloss White", "type": "Full Face", "parent_id": "mt_helmets_thunder_4_sv", "helmet_family": "Thunder 4 SV", "head_shape": "Intermediate Oval", "color": "Gloss White", "color_family": "White", "sku": "MTH-THUN-WHI", "finish": "gloss", "is_graphic": false, "availability": "instock", "description": "The MT Helmets Thunder 4 SV is a benchmark Full Face helmet crafted in Global Certified. Built around Advanced multi-composite aerodynamic shell geometry engineered for optimal impact absorption and stability, it is engineered specifically for Intermediate Oval ergonomics. Designed for aggressive forward tuck and sport-touring postures, delivering maximum high-speed aerodynamic stability and full-coverage chin protection. Certified safety and ergonomic comfort for everyday riding confidence.", "product_details": { "description": "Spanish sport helmet with Max Vision visor and multi-density EPS." }, "price": { "current": 199.99, "usd": 199.99, "eur": 183.99, "gbp": 157.99 }, "specs": { "material": "HPFC Composite", "weight_g": 1450, "weight_lbs": 3.2, "certifications": [ "ECE 22.06" ] }, "geo_media": [ "https://helmetsan.com/assets/helmets/mt_helmets_thunder_4_sv_gloss_white_front.png", "https://helmetsan.com/assets/helmets/mt_helmets_thunder_4_sv_gloss_white_side.png" ], "helmet_types": [ "Full Face" ], "introduction": "Positioned in MT Helmets's Full Face lineup, the Thunder 4 SV brings Global Premium engineering to riders seeking balance between weight, cabin acoustics, and impact protection. 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