MT Thunder 4 R Wind Tunnel Motorcycle Full Face Helmet

The MT Thunder 4 R SV stands as MT Helmets’ flagship model in the sport-touring segment, offering outstanding performance, comfort, and safety with excellent overall value. Built for long-distance riding, it delivers refined ergonomics, a wide field of vision, and an advanced ventilation system developed using fluid-dynamics analysis to ensure consistent and efficient airflow.

Thunder 4 R SV – “R” Model Enhancements

• New visor lock button for increased safety and stability at speed

• Redesigned rear spoiler and diffuser for improved aerodynamics and a more dynamic, sporty appearance

• Upgraded inner lining for enhanced comfort and a more precise fit

• Latest MT Retention System, combining improved protection with a modern, premium finish

Key Features

• Shell Sizes: 2 shell sizes for an optimized fit

• Shell Material: HIRP (High Impact Resistance Polymer) for an excellent safety-to-weight balance

• Interior: Hypoallergenic, fully removable and washable lining

• Visor: MT-V-28C with secure shield lock to prevent accidental opening during impact

• Pinlock® Ready: Prepared for Pinlock® MaxVision™ 70 anti-fog insert (DKS435)

• Emergency System: Emergency release system for quick and safe helmet removal

• Anti-Fog Function: Visor lock releases to a first anti-fog position for controlled airflow

• Ventilation: Refined Airflow Channel System with dual-button front intake for precise control

• Sun Visor: Fully retractable internal sun visor covering the entire viewing area

• Quick Visor Swap: MT patented system allows visor changes in just 5 seconds, even while wearing the helmet

• Intercom Ready: Integrated housing for intercom headset

• Extras: Nose deflector for added comfort

• Closure: Micrometric double-tooth retention system for maximum security

• Protection Base: 3-point protector system reduces friction, improves hygiene, and protects the helmet

• Eco-Conscious Design: Replaceable components extend the helmet’s usable life

• Certification: ECE 22.06 approved