The facts.
| Brand | Nolan |
|---|---|
| Part number | SPAVIS0000363 |
| Compatible helmet | Nolan X-804 RS Ultra Carbon (all four shell sizes) |
| Tint / finish | Cosmic Mirror Blue |
| Homologation | Track and closed circuits only — not homologated for road use |
| Pinlock preparation | Pinlock ready — pins fitted, inner lens sold separately |
| Material | Lexan™ polycarbonate, made in Italy |
| Surface treatment | Multi-layer mirror coating, scratch-resistant on both faces |
DescriptionThe whole story▼
The Cosmic visors sit at the top of the X-804 range, and what you pay the difference for is the coating. Nolan builds these with a multi-layer film stack rather than the single coloured layer used on the iridium versions.
What stacking layers actually does
Several very thin films, laid down at controlled thicknesses, interfere with each other optically. The colour that comes back is not a pigment — it is the result of different wavelengths reflecting off different layers and reinforcing or cancelling one another. Two consequences follow. The effect has depth and shifts with angle in a way a single layer cannot reproduce. And a stack can be tuned to reject a broader slice of the spectrum, so glare control under a hard sun is spread more evenly instead of being concentrated in one band. It is the principle behind camera lens coatings, applied to a helmet.
The blue specifically
This is the colder of the two Cosmic finishes. The stack skews toward the short end of the spectrum, stripping out low-sun yellow and the glare that bounces up off wet tarmac, while the layered construction keeps it from collapsing to a flat grey when the sun goes behind cloud — the failure mode of a strongly tinted single layer. Over exposed carbon it reads near-black at a shallow angle and electric head-on.
Track only
Not homologated for road use in Europe. Race tracks and private circuits, in good light, only.
Lens, fitting, care
The lens under the stack is the ordinary X-804 part — Italian Lexan polycarbonate, flat Ultrawide geometry, scratch treatment, Pinlock posts fitted, hand-change, one size for all four shells. A multi-layer coating is the most delicate surface in the range: water and patience, never a dry cloth.
Nolan part number SPAVIS0000363.
What's includedEverything in the box▼
- 1x Nolan X-804 UC visor (Cosmic Mirror Blue)
FitmentWhich bikes this fits▼
- Nolan X-804 RS Ultra Carbon
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Our team is happy to help. Use the contact button below and we’ll personally help you choose the right gear or part.
Measure your head circumference about one centimetre above your eyebrows and compare it with the size chart on this page. Between sizes? Choose the smaller one — the padding beds in with use.
Yes — it’s tested and approved to the current ECE 22.06 standard and road-legal across the EU.
Most of our touring and sport helmets are Pinlock-ready and many include the insert. Check the ‘What’s in the box’ section on this page for this model.
Yes — the cheek pads are channelled so the arms of your glasses slide in comfortably.
Take out the washable lining and hand-wash it in lukewarm water. Clean the shell and visor with a soft cloth and water only — never solvents.
Our team will personally help you choose the right gear or part — around 24h for a reply.