
The facts.
| Part Number | 168055726 |
|---|---|
| Shell Material | 100% carbon fibre |
| Certification | UNECE 22-06 |
| Weight | 1,280 g ±50 g (size M) |
| Colour | Diamond Blue/Red |
| Finish | Gloss |
| Retention System | Double-D ring |
| Anti-Fog System | Pinlock Max Vision 120 (included) |
| Liner | Removable and washable, X-Static© Silver antibacterial |
DescriptionThe whole story▼
Built on knowledge earned at the highest level of motorsport, the LS2 FF805 Thunder Carbon in Diamond Blue/Red is a full-face race helmet that places certified safety at its very core. Homologated to the latest UNECE 22-06 standard, its 100% carbon fibre shell delivers exceptional impact resistance at a weight of just 1,280 g (±50 g, size M), making it one of the most credible track-to-road lids in LS2's lineup.
Key Features
- UNECE 22-06 certified — meets the most stringent current homologation standard for road and circuit use
- 100% carbon fibre shell construction across three shell sizes for a precise, lightweight fit at every head circumference
- Race-derived GP aero spoiler optimises airflow stability and reduces lift at speed
- Wide, scratch-resistant visor prepared for Pinlock Max Vision 120 anti-fog insert — included in the box
- Emergency cheek-pad release system enables fast, safe helmet removal after an incident
- X-Static© Silver antibacterial liner, fully removable and machine washable
- Ready for tear-off film systems; safety-reflective patches included for low-light visibility
Shell & Construction
LS2 manufactures the FF805 Thunder Carbon in three distinct shell sizes, ensuring the helmet hugs the head correctly across the full XS–XXL size run rather than padding out a single oversized shell. The monocoque carbon fibre structure is engineered for maximum energy absorption, while channelled EPS ventilation guides airflow efficiently from the multiple forehead and crown vents through the liner and out via the rear exhaust ports. The result is a racing environment inside the helmet even when the pace drops to road riding.
Visor & Ventilation
The broad, optically clear visor offers superior peripheral vision — a deliberate design choice informed by circuit feedback. It accepts the Pinlock Max Vision 120 insert (supplied), virtually eliminating fogging in cold or wet conditions. For track days, the visor is also prepared for tear-off films, keeping your line of sight clear lap after lap. The gloss finish of the Diamond Blue/Red livery is complemented by the clean visor aperture, which sits flush with the chin guard for aerodynamic consistency.
Comfort & Safety Systems
Inside, the removable liner is treated with X-Static© Silver technology — a silver-fibre antibacterial system that suppresses odour and moisture build-up on long stints. The double-D ring retention strap is reinforced for positive closure under load. Critically, the emergency cheek-pad release system allows first responders to remove the helmet without moving the rider's neck and spine — a feature that reflects LS2's commitment to real-world safety beyond the certification label. Safety-reflective patches are sewn into the shell for conspicuity in low-light conditions.
Sizing Guide
Measure approximately 1 cm above the ears around the widest part of your head to find your size:
- XS — 53–54 cm
- S — 55–56 cm
- M — 57–58 cm
- L — 59–60 cm
- XL — 61–62 cm
- XXL — 63–64 cm
Fitment & Compatibility
The LS2 FF805 Thunder Carbon is a universal full-face helmet suitable for road riding and circuit use. It is not model- or motorcycle-specific and fits any rider whose head measurement falls within the size chart above. The helmet is particularly well suited to track day riders and sport-touring enthusiasts who require certified race-level protection on both public roads and closed circuits.
Specifications
- Part number: 168055726
- Shell material: 100% carbon fibre
- Certification: UNECE 22-06
- Weight: 1,280 g ±50 g (size M)
- Colour: Diamond Blue/Red
- Finish: gloss
- Retention system: double-D ring
- Anti-fog visor: Pinlock Max Vision 120 (included)
- Liner: removable and washable, X-Static© Silver antibacterial treatment
What's includedEverything in the box▼
- 1x LS2 FF805 Thunder Carbon helmet
- 1x clear visor
- 1x dark tinted visor
- 1x Max Vision Pinlock insert
- 1x premium helmet bag
- 1x set of tear-off films
FitmentBy head size — not by bike▼
The kit studio.
Rated. Certified. Lit.
“Scored 75 of 100 for racing riding. It is strongest on character and gives up most on homologation — every point traces back to a documented fact and its source.”
— the Inter-Pace crewApproved to ECE 22.06.
Reviewers rate the airflow highly.
Holds a steady line at speed.
1,341 g — mid-weight for this class.
Average for the class.
Comfortable over shorter rides.
Suits a intermediate head shape.
A full-face helmet, built for racing.
Premium bracket in the racing field.
509 € — Premium. Hover the bar for each range. Value is scored against the racing field, not in the abstract.
FF805 Thunder GP Aero vs —
Compare the grid.
| Shoei X-SPR PRO FIM90 | Shoei X-SPR PRO FIM 290 | AGV Pista GP R387 | Suomy S1-XR GP86 | Arai RX-7V FIM84 | Arai RX-7V FIM 284 | Shark Aeron GP FIM 284 | Nexx X.R3R Pro FIM Evo83 | Airoh GP 800 FIM82 | Alpinestars Supertech R1081 | Just1 J-GPR81 | LS2 FF805 Thunder GP Pro81 | MT-Helmets KRE 2 PLUS FIM Racing #281 | KYT KX-180 | Nolan X-804 RS Ultra80 | Nexx X.R3R79 | MT-Helmets KRE+ S78 | Shark Aeron GP FIM 178 | Airoh GP 800 ECE only77 | Arai RX-7V ECE only75 | LS2 FF805 Thunder GP Aero75 | MT-Helmets KRE 2 PLUS74 | Shark Aeron74 | AGV Pista GP RR S67 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inter-Pace Rating | 90/100 | 90/100 | 87/100 | 86/100 | 84/100 | 84/100 | 84/100 | 83/100 | 82/100 | 81/100 | 81/100 | 81/100 | 81/100 | 80/100 | 80/100 | 79/100 | 78/100 | 78/100 | 77/100 | 75/100 | 75/100 | 74/100 | 74/100 | 67/100 |
| Level | Benchmark | Benchmark | Benchmark | Benchmark | Recommended | Recommended | Recommended | Recommended | Recommended | Recommended | Recommended | Recommended | Recommended | Recommended | Recommended | Recommended | Recommended | Recommended | Recommended | Recommended | Recommended | Recommended | Recommended | Solid |
| Price | 799,00 € | 949,00 € | In store | 579,47 € | 759,20 € | 919,95 € | 779,99 € | 630,79 € | 639,20 € | 999,00 € | 440,10 € | 679,15 € | 629,96 € | 519,35 € | 527,99 € | 509,00 € | 359,96 € | 965,99 € | 431,20 € | 879,20 € | €551,65 | 449,96 € | 671,99 € | 1099,00 € |
| Weight | 1,45 kg | 1,45 kg | 0,0 kg | 1,4 kg | 1,568 kg | 1,568 kg | 1,48 kg | 1,35 kg | 1,435 kg | 1,54 kg | 1,42 kg | 1,341 kg | 1,25 kg | 1,45 kg | 1,42 kg | 1,35 kg | 1,7 kg | 1,48 kg | 1,435 kg | 1,568 kg | 1,341 kg | 1,3 kg | 1,41 kg | 1,5 kg |
| ECE 22.06 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| FIM racing | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | — | ✓ | ✓ | ✓ | — | — | ✓ | ✓ | — | — | — | — | — | — |
| Pinlock incl. | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | — | ✓ | ✓ | ✓ | ✓ | ✓ | — | ✓ | ✓ | ✓ | ✓ | — | ✓ | ✓ | ✓ | — | ✓ | ✓ |
| Shell | AIM+ fibre matrix | AIM+ fibre matrix | Carbon fibre with Sphera outer layer (1,600+ microspheres, polycarbonate skin) | Tricarboco (carbon, fibreglass, aramid) | PB-SNC2 fibreglass composite | PB-SNC2 fibreglass composite | Carbon-aramid composite (COVA structure, 80% carbon / 20% aramid) | X-PRO carbon fibre composite | HPC carbon | Carbon multi-composite | 3K carbon | Carbon 9K (100 % carbon fibre) | Full carbon (MT-ULCS) | Tricomposite (carbon, fibreglass, aramid) | Ultra Carbon | X-PRO carbon (>60 % carbon fibre) | Carbon fibre | Carbon-aramid composite (COVA structure, 80% carbon / 20% aramid) | HPC carbon | PB-SNC2 fibreglass composite | Carbon 6K (100 % carbon fibre) | TRIC tricomposite (MT-ULCS) | COVA carbon and aramid (80 % / 20 %) | 100% carbon fibre |
| Ventilation | 10/10 | 10/10 | 9/10 | 9/10 | 10/10 | 10/10 | 10/10 | 9/10 | 10/10 | 9/10 | 9/10 | 9/10 | 3/10 | 8/10 | 9/10 | 9/10 | 9/10 | 10/10 | 10/10 | 10/10 | 9/10 | 3/10 | 10/10 | 6/10 |
| Comfort | 10/10 | 10/10 | 10/10 | 9/10 | 9/10 | 9/10 | 10/10 | 9/10 | 8/10 | 8/10 | 9/10 | 8/10 | 7/10 | 8/10 | 9/10 | 9/10 | 9/10 | 3/10 | 8/10 | 9/10 | 8/10 | 7/10 | 9/10 | 9/10 |
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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.