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MT Thunder 4 R SV – Sport-Touring Excellence
The Thunder 4 R SV is MT Helmets’ flagship model in the sport-touring category, offering outstanding performance, comfort, and long-distance capability. Designed with superior ergonomics and a wide field of vision, it ensures a relaxed and confident ride. Its advanced ventilation system, refined through fluid-dynamics studies, delivers efficient and consistent airflow in all conditions.
R Model Upgrades
New visor lock button for increased safety and riding stability
Redesigned rear spoiler and diffuser for improved aerodynamics and a more aggressive, sporty appearance
Updated inner lining for enhanced comfort and a better overall fit
Latest MT Retention System, combining higher safety levels with a modern, premium finish
Key Features:
Available in 2 shell sizes for an optimized fit
HIRP shell construction (High Impact Resistance Polymer) for an excellent balance of safety and lightweight design
Hypoallergenic interior lining, fully removable and washable
Pinlock® MaxVision™ 70 ready for effective anti-fog performance
Emergency release system for quick and safe helmet removal in case of an accident
Shield lock system prevents accidental visor opening during impact
Visor lock button allows an initial anti-fog position to improve airflow
Newly refined Airflow Channel System with dual-button front intake for precise ventilation control
Retractable sun visor covering the full field of vision
MT’s patented Quick Visor Swap System, enabling visor changes in just 5 seconds, even while wearing the helmet
Intercom ready with dedicated headset housing
Integrated nose deflector to reduce fogging
Micrometric closure with double-tooth retention for maximum safety
3-point protector system that prevents rubbing, protects the helmet shell, and improves hygiene
Eco-conscious design, with easily replaceable removable elements to extend product life
Visor: MT-V-28C compatible
Pinlock®: DKS435 compatible
Certification: Fully approved under ECE 22.06 regulations
30-Day Return Window
You may return most new, unopened items within 30 days of delivery for a full refund.
Shipping Costs for Returns
If the return is due to our error (such as receiving an incorrect or defective item), we will cover the return shipping costs.
Refund Timeline
You can generally expect a refund within four weeks of sending your package back. This estimate includes:
How to Return an Item
Worldwide Shipping
We can ship to practically any address in the world. However, please note that some products have shipping restrictions and may not be available for international shipment.
Shipping & Delivery Estimates
When you place an order, we will estimate the shipping and delivery dates based on:
Depending on the shipping provider, these estimates may appear on the shipping quotes page.
Weight-Based Rates
Many items have weight-based shipping rates. The weight is found on each product’s detail page, and shipping companies round up to the next full pound when calculating costs.
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