MT Thunder 4 R review: this full-face helmet pairs an HIRP shell with a revised rear spoiler, new inner lining and MT-V-28C visor. An internal sun visor and a Pinlock 70 insert are listed, while the optional intercom needs to be bought separately. Compare these details with the separately named Thunder 4 SV when choosing between versions.
This is a specification-based buying guide, not a hands-on road test. We may earn a commission from purchases through our links, at no extra cost to you.
Key features of MT Thunder 4 R
Sportsbikeshop lists the following details for the checked version:
- HIRP (High Impact Resistance Polymer) shell construction
- Removable and washable, hypoallergenic fabric interior
- New visor lock for greater safety and riding stability
- Redesigned rear spoiler and diffuser for better aerodynamics and sportier look
- New inner lining for improved comfort and fit
- Incorporation of the latest MT micrometric retention system, combining improved safety with a more modern and premium look
Protection and construction
The listed approval is ECE 22.06. Check the exact helmet label and specification for the version you are buying, particularly if you need it for a track event.
Fit and adjustment
The chin-strap fastening is Quick Release. Make sure you are comfortable operating that fastening and adjusting it securely before choosing the helmet.
Visor and visibility
The listing includes a Pinlock insert. Confirm the supplied visor and insert combination for your chosen version, especially if you are comparing differently priced graphics.
Comfort and everyday use
The interior is removable for cleaning. Follow the manufacturer’s care instructions and refit the pads in their original positions.
Fit and the exact version
Try the helmet on before committing to a size: check even contact around the head and secure retention with the strap fastened. Shell specifications do not establish whether its internal shape suits you. If you use glasses or an intercom, check their fit with this exact helmet and the relevant fitting instructions.
Versions and options
The checked listing links to these options: Windtunnel Matt Black / Fluo Yellow, Windtunnel Matt Blue, Relevant Gloss Grey / Green, Pipen Gloss Pink / White, Relevant Gloss Blue / Red / Grey, Canvas Matt Black / Red. Check the selected version and available sizes before ordering; the linked price may apply to a particular option.
See our motorcycle helmet reviews for more buying guides.
Related reading: MT Draken Review.