Construction
Race-bred shell design
The RPHA 1N is engineered for aerodynamic performance with a sleek shell designed to reduce drag for added stability at high speeds.
HJC · RPHA 1N · Full Face
The HJC RPHA 1N Brad Binder is a full face motorcycle helmet built around race-focused development and feedback from top athletes in MotoGP and WorldSBK. This Brad Binder graphic is designed for riders who want a helmet shaped by track priorities like stability, precise control, and strong airflow management.
The RPHA 1N uses Premium Integrated Matrix (P.I.M.) construction with reinforcement materials listed as carbon and carbon-glass hybrid fabric. It combines an aerodynamic shell profile with an ACS Advanced Channeling Ventilation System and a race-oriented visor system designed for quick changes and secure closing. Included items like tear-offs and a clear extended aero-spoiler support its track-ready intent, while comfort details such as SilverCool enhanced moisture-wicking fabric and speaker pockets add everyday usability.
Construction
The RPHA 1N is engineered for aerodynamic performance with a sleek shell designed to reduce drag for added stability at high speeds.
Ventilation
HJC’s ACS Advanced Channeling Ventilation System uses 5 intakes and 4 exhausts to move air from front to back. This airflow is designed to flush heat and humidity, helping reduce visor fogging while keeping the rider cooler and more comfortable during demanding, high-effort riding.
Shield
The visor system is built around an easy-attachment design for quick, tool-less visor replacement. A 2 Pivot Ratchet system and a double visor locking mechanism are used for secure closing and straightforward operation, intended to stay dependable even in high-speed racing conditions.
Construction
The RPHA 1N is built with Premium Integrated Matrix (P.I.M.) construction and is equipped with an Emergency Kit with cheek pads intended to support quick and safe rescue in emergency situations. The EPS design is shaped to accommodate both eyeglasses and sunglasses, adding convenience for riders who wear corrective lenses or switch between eyewear styles.
Comfort
This model is listed as a MotoGP spec helmet and is FIM, ECE, & DOT Approved (see specifications below). For comfort, it uses SilverCool enhanced moisture-wicking fabric. Included items are a breath deflector, chin curtain, tear-offs, and a clear extended aero-spoiler.
| Reinforcement materials | carbon, carbon-glass hybrid fabric |
|---|---|
| Certifications | FIM, ECE, & DOT Approved |
| Weight | 3.33 lbs / 1508 grams (approx, based on size medium) |
| breath deflector |
| chin curtain |
| tear-offs |
| clear extended aero-spoiler |
Included with this helmet as listed by HJC.
RPHA 1N Helmet Manual (PDF) HJC Helmet Size Chart
Provided by HJC. Opens in a new tab.
