HJC RPHA 91 Helmet
The RPHA 91 Helmet from HJC boasts beautiful, clean styling and features that make any ride more enjoyable. In an effort to make a modular helmet that is both extremely strong and exceptionally lightweight, HJC utilized the Advanced P.I.M. Evo shell technology with carbon fiber to enhance shock resistant performance.
Features:
- D.O.T. Approved
- Premium Integrated Matrix / P.I.M. EVO (Reinforcement materials including Carbon-Aramid Hybrid and Natural Fiber provide enhanced Shock-Resistant performance)
- Aerodynamic design shell reduces air resistance and provides stability at high speed
- Full front-to-back airflow, 5 intakes and 7 exhausts
- Pinlock Ready HJ-37 Visor
- Quick, Simple and Secure Visor Ratchet System
- Adjustable 3-step sunshield (HJ-V12) for optimized position
- Dark Smoke Sunshield Installed
- Interior with advanced anti-bacterial fabric provides enhanced moisture wicking and quick dry function
- Removable/washable crown and cheek pads
- Ready for 21B & 50B Bluetooth (sold separately)
Before You Select a Size: Helmet-Fit Facts
A helmet is one of the most important pieces of riding gear you will choose, and the size printed on the label is only a starting point. Head circumference, head shape, crown contact, cheek-pad pressure and the retention system all affect whether a helmet fits correctly. Two helmets marked the same size can fit very differently—even within the same brand.
- Measure around the widest part of your head, keeping the tape level and approximately one inch above your eyebrows.
- A new helmet should feel evenly snug around the entire head without sharp or painful pressure points.
- When you move the helmet gently from side to side, your skin should move with the liner rather than the helmet sliding independently.
- Fasten the retention system and confirm that the helmet cannot roll forward or lift off the head.
- Wear the helmet for several minutes before deciding. Comfort padding may settle with use, but an incorrect shell shape or painful pressure point is unlikely to be solved by choosing blindly.
Why Come to Eagle Leather for a Helmet Fitting?
Our staff is trained to help with helmet fitting and can help you compare head shape, size, pressure points and retention across different models. Inventory changes daily, but Eagle Leather consistently carries many hundreds of helmets—often approaching 1,000 units—across half-shell, open-face, modular, adventure and full-face styles. That selection gives you the opportunity to compare brands and internal shapes instead of relying on a size label alone.
For such an important piece of riding gear, we encourage you to visit Eagle Leather for an in-person fitting before selecting a size without trying the helmet on.