Nexx Y.100R Subsonic Black Red MT Full-Face Helmet
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Size chart Nexx Y.100R
| 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
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The Nexx Y.100R is a sporty, road-focused full-face helmet — light, aerodynamic and genuinely quiet for a thermoplastic lid. The Subsonic graphic brings a bold, high-contrast attitude, here in a matt black-and-red Subsonic design.
Key Features
- ECE 22-06 certified (UN), plus DOT (FMVSS 218), CCC (GB811:2022) and NBR7471:2015 — road-legal and internationally homologated
- Polyfusion shell — a lightweight thermoplastic shell shaped through aerodynamic and wind-tunnel studies for stability and sound damping at speed; two outer shell sizes (XS–M | L–XXL)
- Rear double-blade aero spoiler that optimises aerodynamic performance and reduces turbulence at high speed
- X-SWIFT tool-free quick-release visor — a change in under 8 seconds; Pinlock 70 MaxVision anti-fog lens included
- Internal drop-down sun visor that filters 99% of UV, operated by an external, glove-friendly button
- X-COM3 / X-COM3 PRO ready — integrated speakers, battery, cable slots, microphone and Bluetooth 5 (Harman Kardon sound on the PRO)
- Side action-camera mounts
- Micrometic ratchet buckle; Emergency-Strap cheek pads; night-vision reflectors; removable chin-strap covers
- Second visor, nose guard and wind deflector included
Sporty and Road-Ready
Thanks to the many hours invested in aerodynamic study and wind-tunnel testing, the Y.100R's shape produces a relatively light helmet with a sporty design that optimises both stability and sound insulation at high speed. It is built for the road, not the track — a well-sorted everyday sport lid rather than a carbon race helmet, which is exactly what makes it such good value.
Rear Spoiler
The Y.100R carries a double-blade air spoiler at the rear that optimises aerodynamic performance and reduces turbulence at higher speeds — keeping the helmet settled where a plainer shell would start to move around.
Comfortable Fit
The Y.100R interior gives a snug fit and more effective airflow around the whole head profile for maximum comfort and minimal distraction at speed. All the internals, including the thick neck roll, are removable, skin-friendly (anti-allergic and anti-bacterial) and made from soft X-Mart Dry fabrics that keep the interior cool, dry and comfortable.
X-SWIFT & Sun Screen
The X-SWIFT quick-release makes swapping the visor as easy and fast as it gets — under 8 seconds, no tools. The internal sun visor drops on an external, ergonomic button you can work with gloves on and filters 99% of UV light.
Visor Options
To protect against poor weather and road grime there is a wide choice of visors — a yellow HD visor to lift contrast in low light, or a silver iridium to cut UV and glare from the sun. The Y.100R has an option for every condition.
Stay Connected
Tuned to the Y.100R's interior, the X-COM3 series integrates fully into the shell with built-in speakers, battery, cable slots, microphone and Bluetooth 5. The X-COM3 Standard is a capable mid-range unit; the X-COM3 PRO adds 2.0 Mesh technology and world-class Harman Kardon sound.
Ventilation
Two intakes and two exhausts move air through the shell, working with the dual-EPS structure to keep a steady flow around the head at speed.
Size Guide
The Y.100R runs from XS to XXL across two outer shell sizes (XS–M | L–XXL). Measure your head circumference around the widest part, about 1–2 cm above the eyebrows, and compare it with the size chart on this page. Between two sizes, most riders take the larger one.
In the Box
- 1× Nexx Y.100R helmet (Polyfusion, two shell sizes)
- 1× Pinlock 70 MaxVision anti-fog lens
- 1× second visor
- 1× nose guard (breath deflector)
- 1× wind deflector / chin curtain
- Side action-camera mounts
Finish: Subsonic (black / red) / matt.
| Helmet type | Full-Face (road / sport) |
|---|---|
| Certification | ECE 22-06 (UN) · DOT (FMVSS 218) · CCC (GB811:2022) · NBR7471:2015 |
| Shell | Polyfusion lightweight thermoplastic — 2 shell sizes (XS–M | L–XXL) |
| Weight | approx. 1,575 g ± 50 g (varies by size) |
| Retention | Micrometic ratchet buckle |
| Visor | X-SWIFT tool-free quick-change (under 8 s) — Pinlock 70 MaxVision lens included |
| Sun visor | Internal drop-down, filters 99% UV, glove-friendly external button |
| Aerodynamics | Rear double-blade spoiler; wind-tunnel-optimised shell |
| Comms & camera | X-COM3 / X-COM3 PRO ready (Bluetooth 5); side action-camera mounts |
| Ventilation | 2 intakes / 2 exhausts |
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1x helmet (Polyfusion, two shell sizes)
-
1x Pinlock 70 MaxVision anti-fog lens
-
1x second visor
-
1x nose guard (breath deflector)
-
1x wind deflector / chin curtain
-
Side action-camera mounts
Fitment data coming soon.
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Nexx Pinlock 70 MaxVision
Included free
helmet only
Your helmet is always included · one Pinlock comes free · pick your size in the buy box above
// Nexx
Nexx Y.100R Subsonic Black Red MT Full-Face Helmet

Tech specs
- Helmet type
- Full-Face (road / sport)
- Certification
- ECE 22-06 (UN) · DOT (FMVSS 218) · CCC (GB811:2022) · NBR7471:2015
- Shell
- Polyfusion lightweight thermoplastic — 2 shell sizes (XS–M | L–XXL)
- Weight
- approx. 1,575 g ± 50 g (varies by size)
- Retention
- Micrometic ratchet buckle
- Visor
- X-SWIFT tool-free quick-change (under 8 s) — Pinlock 70 MaxVision lens included
- Sun visor
- Internal drop-down, filters 99% UV, glove-friendly external button
- Aerodynamics
- Rear double-blade spoiler; wind-tunnel-optimised shell
- Comms & camera
- X-COM3 / X-COM3 PRO ready (Bluetooth 5); side action-camera mounts
- Ventilation
- 2 intakes / 2 exhausts
// Support
Frequently asked questions
Shipping & delivery
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