
The facts.
| Brand | Just1 |
|---|---|
| Model | J-STR Astro |
| Type | Full-face helmet |
| Colour / Finish | Red / Blue / Black gloss |
| Outer shell | ABS in 2 shell sizes |
| Inner shell | EPS in 2 sizes |
| Certification | ECE 22.06, DOT |
| Visor | Wide Vision, scratch-resistant, Pinlock 70 prepared |
| Part number | 6030390112007 |
DescriptionThe whole story▼
The Just1 J-STR Astro in its striking gloss Red / Blue / Black graphic is a full-face helmet designed for riders who want reliable everyday performance without sacrificing style. Built on the proven J-STR platform and certified to ECE 22.06, it earns its place as a dependable daily companion whether you're commuting across town or stretching out on a weekend road run.
Key Features
- ABS outer shell produced in 2 shell sizes for a more precise fit across the size range
- EPS inner shell in 2 densities, optimising impact management for each shell size
- ECE 22.06 and DOT certified — meets the latest international safety standards
- J.I.E.R. Emergency Cheek Pads Removal System for rapid, safe helmet removal by first responders
- Robust double-D ring fastening — the trusted standard for secure retention
- Protx2 antimicrobial lining treatment keeps the interior fresher for longer, even on back-to-back rides
- Wide Vision visor with scratch-resistant clear lens and Pinlock 70 preparation for anti-fog use in cold or wet conditions
Comfort You Can Feel on Every Ride
Day-to-day wearability is where the J-STR Astro genuinely delivers. The fully removable and washable interior can be refreshed whenever needed, while the comfortable cheek pads hold your head securely without creating pressure points over long distances. An efficient ventilation system channels airflow through the shell, keeping temperatures manageable during urban stops and open-road stints alike. The Protx2 antimicrobial treatment works quietly in the background to resist odour build-up, so the helmet stays pleasant ride after ride.
Visor and Visibility
The Wide Vision visor provides a broad, unobstructed field of view that makes filtering through traffic and reading the road ahead noticeably easier. The clear lens is scratch-resistant and prepared for an optional Pinlock 70 insert, which virtually eliminates fogging in damp or cold weather. A nose cover is included in the box to reduce interior airflow and further manage misting at lower speeds.
Design and Finish
The Astro graphic wraps the gloss shell in a confident combination of red, blue and black — a colour scheme that reads cleanly at speed and stands out in a sea of plain lids. It suits naked bike and sport bike riders looking for a head-turning finish that does not demand track-day pricing.
Fitment and Compatibility
The Just1 J-STR Astro is a universal full-face helmet suitable for adult riders across all motorcycle types. Use the size guide below to select the correct fit before ordering.
Size Guide
| Size | Head circumference (cm) | Inches |
|---|---|---|
| XS | 53–54 | 20.9 – 21.3 |
| S | 55–56 | 21.7 – 22.1 |
| M | 57–58 | 22.4 – 22.8 |
| L | 59–60 | 23.2 – 23.6 |
| XL | 61–62 | 24.0 – 24.4 |
| XXL | 63 | 24.8 – 25.2 |
How to Measure Your Head
- Place a soft tape measure just above the eyebrows
- Measure around the widest part of the skull
- Take the measurement two or three times to confirm accuracy
- The helmet should fit snugly without causing discomfort
- If the helmet moves when worn, size down by one
Specifications
- Brand: Just1
- Model: J-STR Astro
- Type: Full-face helmet
- Colour / finish: Red / Blue / Black gloss
- Outer shell: ABS in 2 shell sizes
- Inner shell: EPS in 2 sizes
- Certification: ECE 22.06, DOT
- Lining: Removable and washable, Protx2 antimicrobial treatment
- Visor: Wide Vision, scratch-resistant, Pinlock 70 prepared
- Closure: Double-D ring
- Emergency system: J.I.E.R. Emergency Cheek Pads Removal System
- Part number: 6030390112007
What's includedEverything in the box▼
- Just1 J-STR Astro Red / Blue / Black helmet
- Nose cover
- Helmet bag
FitmentBy head size — not by bike▼
Rated. Certified. Lit.
“Two shell sizes and two EPS sizes at 1,520 g, with a double-D ring, emergency cheek-pad release and a fully vented chin bar — a proper specification for the money. Be aware of what is behind the score: nobody has measured this helmet independently, so those areas are left out of the total rather than guessed.”
— the Inter-Pace crewECE 22.06.
ABS shell in two sizes, two EPS sizes, emergency cheek-pad release.
Not measured by anyone.
Protx2 antimicrobial lining, removable and washable.
Wide-vision visor, Pinlock prepared.
The chin bar is EPS-lined and fully vented.
1,520 g claimed.
One of the cheapest ECE 22.06 full-face helmets we sell.
143 € — Entry. Hover the bar for each range. Value is scored against the street field, not in the abstract.
J-STR vs —
Compare the grid.
| AGV K6 S83 | Nexx Y.10076 | Just1 J-STR72 | MT-Helmets Braker SV72 | Nexx Y.100R71 | LS2 FF901 Advant X70 | LS2 FF902 Scope II70 | LS2 FF901 Advant X Carbon69 | Shoei Neotec 369 | Suomy TX-Pro69 | KYT R2R68 | LS2 FF807 Dragon68 | LS2 FF811 Vector II68 | LS2 FF817 Challenger II68 | MT-Helmets Genesis R SV68 | Shoei GT-Air367 | Shoei GT-Air3 SMART67 | KYT TT-Revo66 | LS2 FF811 Vector II Carbon66 | Suomy Track-166 | MT-Helmets Atom 2 SV65 | MT-Helmets Targo S65 | LS2 FF818 Storm III64 | LS2 FF820 Rapid III64 | LS2 FF906 Advant64 | LS2 FF908 Strobe II64 | MT-Helmets KRE 263 | MT-Helmets Stinger 263 | MT-Helmets Streetfighter SV S63 | Nexx X.WST3 Matrix63 | AGV K1 S62 | Nexx X.TR Matrix62 | Nexx X.WST3 Carbon62 | LS2 FF808 Stream II61 | Nexx X.TR Carbon59 | MT-Helmets Thunder 4 R SV58 | Nexx X.LIFETOUR Matrix58 | Nolan N60-6 Sport58 | Nexx X.LIFETOUR Carbon57 | Shark Skwal53 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inter-Pace Rating | 83/100 | 76/100 | 72/100 | 72/100 | 71/100 | 70/100 | 70/100 | 69/100 | 69/100 | 69/100 | 68/100 | 68/100 | 68/100 | 68/100 | 68/100 | 67/100 | 67/100 | 66/100 | 66/100 | 66/100 | 65/100 | 65/100 | 64/100 | 64/100 | 64/100 | 64/100 | 63/100 | 63/100 | 63/100 | 63/100 | 62/100 | 62/100 | 62/100 | 61/100 | 59/100 | 58/100 | 58/100 | 58/100 | 57/100 | 53/100 |
| Level | Recommended | Recommended | Recommended | Recommended | Recommended | Recommended | Recommended | Solid | Solid | Solid | Solid | Solid | Solid | Solid | Solid | Solid | Solid | Solid | Solid | Solid | Solid | Solid | Solid | Solid | Solid | Solid | Solid | Solid | Solid | Solid | Solid | Solid | Solid | Solid | Solid | Solid | Solid | Solid | Solid | Solid |
| Price | 359,20 € | 143,99 € | Rs. 15,300.00 | 114,71 € | 175,99 € | 339,15 € | 152,15 € | 398,65 € | 669,00 € | 397,09 € | 181,55 € | 407,15 € | 220,15 € | 279,65 € | 114,71 € | 599,00 € | 649,00 € | 120,20 € | 322,15 € | 286,01 € | 152,96 € | 118,96 € | 169,15 € | 84,15 € | 254,15 € | 118,15 € | 269,96 € | 84,96 € | 114,71 € | 367,99 € | 223,20 € | 367,99 € | 495,99 € | 109,65 € | 503,99 € | 157,21 € | 399,99 € | 215,99 € | 519,99 € | 238,50 € |
| Weight | 1,298 kg | 1,575 kg | 1,52 kg | 1,55 kg | 1,575 kg | 1,6 kg | 1,75 kg | 1,55 kg | 1,715 kg | 1,35 kg | 1,5 kg | 1,45 kg | 1,5 kg | 1,5 kg | 1,65 kg | 1,7 kg | 1,775 kg | 1,55 kg | 1,391 kg | 1,35 kg | 1,7 kg | 1,55 kg | 1,55 kg | 1,35 kg | 1,75 kg | 1,7 kg | 1,38 kg | 1,6 kg | 1,4 kg | 1,675 kg | 1,448 kg | 1,657 kg | 1,55 kg | 1,6 kg | 1,7 kg | 1,5 kg | 1,86 kg | 1,47 kg | 1,75 kg | 1,57 kg |
| ECE 22.06 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| FIM racing | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Pinlock incl. | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | — | ✓ | — | ✓ | — | — | ✓ | — | ✓ | ✓ | — | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Shell | Carbon and aramid fibre | Polyfusion shell | ABS | HIRP high impact resistant polymer | Polyfusion shell | HPFC composite fibre | KPA thermoplastic | Carbon fibre | AIM shell | Tricarboco (carbon, fibreglass, aramid) | Thermoplastic shell | 6K carbon fibre | Composite fibre | fibreglass | HIRP high impact resistant polymer | AIM shell | AIM shell | Thermoplastic shell | Carbon fibre | Tricarboco (carbon, aramid, fibreglass) | Polycarbonate | HIRP high impact resistant polymer | KPA thermoplastic | KPA thermoplastic | KPA thermoplastic | KPA thermoplastic | FRC (fibre reinforced composite) | HIRP high impact resistant polymer | HIRP high impact resistant polymer | X-Matrix composite | Thermoplastic resin | X-Matrix 2 multi-composite | X-Pro Carbon | polycarbonate | X-Pro Carbon | HIRP high impact resistant polymer | X-Matrix 2 multi-composite | Lexan polycarbonate | X-Pro Carbon | Thermoplastic shell with LED lighting |
| Ventilation | 9/10 | 8/10 | 6/10 | 8/10 | 8/10 | 8/10 | 10/10 | 8/10 | 8/10 | 8/10 | 6/10 | 8/10 | 10/10 | 10/10 | 5/10 | 8/10 | 8/10 | 6/10 | 10/10 | 8/10 | 6/10 | 8/10 | 8/10 | 6/10 | 8/10 | 8/10 | 3/10 | 8/10 | 8/10 | 8/10 | 6/10 | 4/10 | 8/10 | 8/10 | 4/10 | 4/10 | 6/10 | 5/10 | 6/10 | 5/10 |
| Comfort | 6/10 | 9/10 | 8/10 | 9/10 | 9/10 | 9/10 | 8/10 | 9/10 | 10/10 | 9/10 | 6/10 | 9/10 | 9/10 | 8/10 | 9/10 | 8/10 | 8/10 | 9/10 | 9/10 | 9/10 | 9/10 | 9/10 | 9/10 | 9/10 | 6/10 | 6/10 | 7/10 | 8/10 | 8/10 | 6/10 | 5/10 | 9/10 | 6/10 | 6/10 | 9/10 | 5/10 | 9/10 | 6/10 | 9/10 | 5/10 |
Head to toe.
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The quickest way is to place a new order for the size you need and register a return for the original by email — just let us know it’s an exchange.
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Yes. We’re an authorised dealer, so every product is 100% original and comes with the full manufacturer warranty.
Yes. Everything we sell is genuine and comes with the manufacturer’s warranty, on top of your statutory rights. Keep your invoice as proof of purchase and contact us if you ever need to make a claim — we’ll help you through it.
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.