STILO
STILO ST6 GT SA2025-8859 Helmet
STILO ST6 GT SA2025-8859 Helmet
5.0 / 5.0
(3) 3 total reviews
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Overview
The Stilo ST6 GT Composite & Carbon is the latest evolution of the legendary ST6 helmet, trusted by champions around the world. Now available in striking new Silver and White finishes, the ST6 GT introduces a host of refinements and performance upgrades over its predecessor.
Crafted using a newly developed, proprietary manufacturing process exclusive to Stilo, this composite helmet delivers exceptional strength with minimal weight. Retaining the signature integrated side ports of the ST6, it allows for a wide range of seamlessly compatible accessories. The ST6 GT meets both Snell SA2025 and FIA 8859-2018 safety standards.
Key Features:
- Dual-locking visor system ensures a secure fit in both fully closed and vented positions.
- Enhanced downward visibility for improved driver awareness.
- Three shell sizes available, covering eight different fit options.
- Redesigned front ventilation system maximizes airflow while maintaining safety integrity.
- Handcrafted in Italy for precision and quality.
- Autoclave-cured composite shell delivers exceptional lightness and durability.
-
F1-tested aerodynamics provide outstanding stability at any speed.
Includes clear visor and accessories are available here.

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Fantastic helmet - huge improvement from my old Bandit. Great service from Rspeed for fitting, assembly, and delivery.
Coming from a Zamp helmet this was a very worthwhile upgrade. Its super lightweight meaning less fatigue during those longer enduro stints, the padding material feels a lot better and the wide viewing area lets you see a lot more without having to turn your head as much. Overall fit was much nicer with no weird pressure points. The added integrated comms worked really well too, the team and I could hear each other loud and clear and the ear cups doubled as pretty decent sound muffling from the loud engine. The buying experience was great too, Eric got me fitted, helmet was ordered promptly, shipping was pretty quick and we did a final test fit to see if we needed to make any adjustments to the padding or ear cups.
Rspeed will definitely be my go-to for racing gear moving forward.
In all my years as an autocrosser I have never spent so much for a helmet. BUT I'm glad I did.
This thing is super lite. After Eric Sutton measured me at a SCCA event we ordered a 59 mm. Fast forward two weeks and Eric follows up with me. He indicated he also ordered a 59 for himself. But after trying a test fit with a 61mm he suggested I try it too.
I left the track that day with the 61mm.
After several back to back comparisons with the new ST6 and my old helmet the fit is almost identical. I'm pleased I went with the 61mm
II thank Eric Sutton for the excellent customer service pre and post sale .
Good job young sir