NHK GP-R Tech Race Helmet – Alonso López Motegi Japan Replica 2024
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Size chart NHK GP-R
| Size | Head circumference (cm) | Head circumference (inch) |
|---|---|---|
| XXXS | 50–51 cm | 19.7–20.1 in |
| XXS | 52–53 cm | 20.5–20.9 in |
| XS | 53–54 cm | 20.9–21.3 in |
| XSS | 54–55 cm | 21.3–21.7 in |
| S | 55–56 cm | 21.7–22.0 in |
| SM | 56–57 cm | 22.0–22.4 in |
| M | 57–58 cm | 22.4–22.8 in |
| ML | 58–59 cm | 22.8–23.2 in |
| L | 59–60 cm | 23.2–23.6 in |
| LXL | 59–60 cm | 23.2–23.6 in |
| XL | 60–61 cm | 23.6–24.0 in |
| XXL | 61–62 cm | 24.0–24.4 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.
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- 14-day returns — in stock ships within 24h
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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.
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Born on the MotoGP grid and refined in the wind tunnel, the NHK GP-R Tech Race Helmet in the exclusive Alonso López Motegi Japan Replica 2024 livery brings professional racing technology directly to your visor. This is not a styling exercise — it is a FIM-homologated competition helmet engineered for the demands of high-speed track use, finished in the striking red, pink and white colour scheme that turned heads at the Motegi circuit.
Key Features
- FIM-approved construction meeting the highest international motorsport safety standards — race-legal straight out of the box.
- AFRC shell (Advanced Fiberglass Reinforced Composite) manufactured in five shell sizes, delivering exceptional rigidity with a genuinely low weight.
- 9 inner shell sizes spanning 12 helmet sizes (XXXS through XXL) for a precision fit rather than a compromise.
- 4D-Air ventilation system engineered for real airflow management during hard track sessions in hot conditions.
- Flat visor with Wide Angle View geometry gives a broader field of vision where split-second awareness matters most.
- 100% mechanical, tool-free visor mechanism for rapid lens swaps between sessions.
- Premium removable and washable inner liner with Camel-Bag hydration preparation and glasses-friendly channel design.
Track-Bred Construction
The GP-R Tech's AFRC composite shell is not a single-size compromise: five distinct shell sizes are produced so that a XXXS and an XXL rider wear a shell proportioned specifically for their head circumference. This approach maximises structural efficiency — material goes where it is needed, not where it is convenient for manufacturing. The double-D-ring retention system and emergency cheek-pad removal complete a safety package that satisfies FIM regulations for professional competition.
Aerodynamics and Ventilation
Every external surface of the GP-R Tech was validated in wind-tunnel testing and subsequently proven across MotoGP race weekends. The result is reduced drag at the speeds that matter and a shell that does not fight the rider at motorway pace or on long straights. The 4D-Air system works in concert with that aerodynamic profile: intake channels and exhaust ports are positioned to draw air across the rider's head efficiently rather than simply punching holes in the shell for the sake of visual impression.
Alonso López Motegi Replica Livery
The Alonso López Motegi Japan Replica 2024 paint scheme is reproduced in a high-gloss finish, replicating the exact colour combination — red, pink and white — worn at one of MotoGP's most celebrated circuits. Each helmet carries part number NHKGPAL#9. For riders who want their helmet to communicate as clearly on track as it does in the paddock, this replica livery is an unambiguous statement.
Fitment and Compatibility
The NHK GP-R Tech is a universal full-face race helmet suitable for track days, circuit racing and road riding wherever a FIM-homologated helmet is required or preferred. It is available in twelve sizes from XXXS to XXL, covering head circumferences from 50 cm to 62 cm.
Size Guide (Head Circumference)
Measure approximately 1 cm above the ear around the widest part of the head using a flexible tape measure, then select from the table below.
| Size | Head Circumference |
|---|---|
| XXXS | 50–51 cm |
| XXS | 52–53 cm |
| XS | 53–54 cm |
| XSS | 54–55 cm |
| S | 55–56 cm |
| SM | 56–57 cm |
| M | 57–58 cm |
| ML | 58–59 cm |
| L | 59–60 cm |
| LXL | 59–60 cm |
| XL | 60–61 cm |
| XXL | 61–62 cm |
Specifications
- Brand: NHK Helmet
- Model: GP-R Tech Race
- Livery: Alonso López Motegi Japan Replica 2024
- Colour: Red / Pink / White
- Shell material: AFRC (Advanced Fiberglass Reinforced Composite)
- Shell sizes: 5
- Available helmet sizes: 12 (XXXS–XXL)
- Inner shell sizes: 9
- Approval: FIM homologated
- Retention system: Double-D-ring
- Ventilation: 4D-Air system
- Visor type: Flat, Wide Angle View
- Visor change: Tool-free mechanical mechanism
- Liner: Removable, washable, Camel-Bag ready
- Part number: NHKGPAL#9
| Brand | NHK Helmet |
|---|---|
| Model | GP-R Tech Race |
| Livery | Alonso López Motegi Japan Replica 2024 |
| Shell Material | AFRC (Advanced Fiberglass Reinforced Composite) |
| Shell Sizes | 5 |
| Available Sizes | 12 (XXXS–XXL) |
| Homologation | FIM approved |
| Retention System | Double-D-ring |
| Part Number | NHKGPAL#9 |
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1x NHK GP-R Tech Race Helmet
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1x clear visor
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1x tinted visor
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1x Pinlock insert (anti-fog)
Fitment data coming soon.
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// NHK Helmet
NHK GP-R Tech Race Helmet – Alonso López Motegi Japan Replica 2024
Tech specs
- Brand
- NHK Helmet
- Model
- GP-R Tech Race
- Livery
- Alonso López Motegi Japan Replica 2024
- Shell Material
- AFRC (Advanced Fiberglass Reinforced Composite)
- Shell Sizes
- 5
- Available Sizes
- 12 (XXXS–XXL)
- Homologation
- FIM approved
- Retention System
- Double-D-ring
- Part Number
- NHKGPAL#9
// Support
Frequently asked questions
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