Just1 J-PGR Helmet Impulse Silver / Carbon Gloss
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Size chart JUST1 J-STR/PGR/PGRF
| Size | Head circumference (cm) | Head circumference (inch) |
|---|---|---|
| XS | 53–54 cm | 20.9–21.3 in |
| S | 55–56 cm | 21.7–22.0 in |
| M | 57–58 cm | 22.4–22.8 in |
| L | 59–60 cm | 23.2–23.6 in |
| XL | 61–62 cm | 24.0–24.4 in |
| XXL | 63–64 cm | 24.8–25.2 in |
How to measure your helmet size correctly: To find the right helmet size, measure your head circumference with a flexible tape measure.
It is important that the tape measure runs around the widest part of the head – only then will you get a correct result.
Place the tape measure at the front, about 1–2 cm above the eyebrows, and run it along the sides above the ears.
At the back, the tape must run over the largest part of the back of the head (not too low on the neck). The tape may run slightly at an angle – what matters is that it sits all the way around the largest points of the head.
Make sure the tape measure sits snugly but does not dig in. Measure 2–3 times for the most accurate result. You can then compare the measured value in centimetres (cm) with our size chart.
Tips for an accurate result
- Keep hair flat (e.g. do not measure over a voluminous hairstyle)
- Keep the tape horizontal, i.e. along the largest circumference
- Do not measure too loosely
- For values between two sizes:
→ usually choose the larger size (depending on helmet model / fit)
Important note on fit
The right helmet should fit firmly without causing uncomfortable pressure points.
A new helmet may feel a little tighter at first, as the inner lining adapts slightly over time.
- Worldwide shipping
- Genuine parts & verified quality
- Personal email support
- 14-day returns — in stock ships within 24h
Shipping & Returns
We ship with DHL and FedEx — express on request. If an item is in stock, express delivery can often go out within 1 business day. Standard delivery takes about 2–5 business days domestically and usually around a week worldwide. Please check the available shipping options and delivery times in your cart, as we offer several carriers depending on the country.
Returns must be registered in advance by email and are possible in line with our cancellation policy (14-day return request + 14-day return window after approval). Please note: unregistered returns are not accepted. You'll find all details on conditions, exceptions and refunds in our cancellation policy.
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details and have no access to your credit card information.
The Just1 J-PGR in Impulse Silver / Carbon Gloss delivers a genuinely compelling package: full carbon shell construction, dual homologation, and everything you need to ride out of the box — without paying extra for the essentials. Whether you commute hard or chase weekend roads, this helmet earns its place on the peg every single day.
Key Features
- Full carbon shell available in 4 shell sizes, keeping weight minimal without compromising structural integrity
- 4 EPS/EPP inner liner sizes for a precise, size-specific fit across the XS–XXL range
- Sequential Density Construction provides multi-layer impact absorption for superior protection
- ECE 22.06 and DOT certified — meets the most current international safety standards
- E.R.C. Emergency Release System allows cheek pads to be removed rapidly by first responders
- Wide Vision Visor paired with Pinlock 70 insert included — anti-fog performance from day one
- Tool-free visor change makes swapping between clear and dark smoke effortless on the road
Everyday Comfort, Long-Distance Capability
A full carbon helmet at this price point rarely comes with an interior this well-considered. The lining uses PROTX antibacterial technology to suppress odour and wick moisture quickly — a genuine advantage on longer rides when temperatures climb. All pads are fully removable and machine washable, so the helmet stays fresh across a full season. The fit is secure and pressure-point free, while the ventilation channels draw in fresh air to keep you alert on extended motorway stints or spirited A-road sessions alike.
Visor System and What's in the Box
Just1 includes a dark smoke visor alongside the standard Wide Vision Visor, meaning you are ready for bright-sun conditions as well as overcast days without any additional spend. The Pinlock 70 insert ships in the box and fits directly, eliminating fogging in cold or damp weather. A nose cover and helmet bag round out the package — practical items that many brands charge extra for.
Visor changes require no tools: a simple lever mechanism releases and locks the visor cleanly, so adjustments take seconds whether you are at the track or in a car park.
Gloss Carbon Finish
The Impulse Silver / Carbon Gloss graphic uses the natural weave of the carbon fibre as part of the design, contrasting metallic silver detailing against the visible carbon structure. The result reads as unmistakably premium without veering into the excessive — exactly right for riders who want their lid to look as capable as it is.
Fitment and Compatibility
The Just1 J-PGR is a full-face road and sport helmet suitable for adult riders. It is available in six sizes covering head circumferences from 53 cm to 63 cm. Use the sizing guide below to find your correct size before ordering.
Size Guide
| Size | Head circumference (cm) | Inches |
|---|---|---|
| XS | 53–54 | 20 7/8 – 21 1/4 |
| S | 55–56 | 21 5/8 – 22 |
| M | 57–58 | 22 1/8 – 23 1/8 |
| L | 58–60 | 23 1/4 – 23 5/8 |
| XL | 61–62 | 24 – 24 3/8 |
| XXL | 63 | 24 3/4 |
How to Measure Your Head
- Place a soft tape measure above your ears and approximately 1.5 cm above your eyebrows
- Measure at least twice to confirm accuracy
- The helmet should feel snug but comfortable — no pressure points
- If the helmet rotates freely on your head, size down
Specifications
- Brand: Just1
- Model: J-PGR
- Colour / finish: Impulse Silver / Carbon Gloss
- Shell material: full carbon fibre
- Shell sizes: 4
- Liner sizes: 4 EPS/EPP
- Certifications: ECE 22.06, DOT
- Visor: Wide Vision Visor, Pinlock 70 ready
- Emergency system: E.R.C. Emergency Release System
- Liner technology: PROTX antibacterial
- Available sizes: XS, S, M, L, XL, XXL
| Brand | Just1 |
|---|---|
| Model | J-PGR |
| Colour / Finish | Impulse Silver / Carbon Gloss |
| Shell material | Full carbon fibre |
| Shell sizes | 4 |
| Liner construction | 4 EPS/EPP sizes — Sequential Density Construction |
| Certifications | ECE 22.06, DOT |
| Visor | Wide Vision Visor, Pinlock 70 ready |
| Emergency release | E.R.C. Emergency Release System |
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Just1 J-PGR Impulse Silver / Carbon helmet
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Dark Smoke Visor
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Pinlock 70
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Nose Cover
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Helmet bag
Fitment data coming soon.
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// Just1
Just1 J-PGR Helmet Impulse Silver / Carbon Gloss
Tech specs
- Brand
- Just1
- Model
- J-PGR
- Colour / Finish
- Impulse Silver / Carbon Gloss
- Shell material
- Full carbon fibre
- Shell sizes
- 4
- Liner construction
- 4 EPS/EPP sizes — Sequential Density Construction
- Certifications
- ECE 22.06, DOT
- Visor
- Wide Vision Visor, Pinlock 70 ready
- Emergency release
- E.R.C. Emergency Release System
- Worldwide shipping
- Genuine parts & verified quality
- 14-day returns — in stock ships within 24h
- Personal email support
// Support
Frequently asked questions
Shipping & delivery
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