Upgrade your ride with the HJC HELMET RPHA 31 SOLID N.GRAY XL from Knobtown Cycle, Kansas City’s premier motorcycle parts destination.
Product Description
HELMET RPHA 31 SOLID N.GRAY XL
- The RPHA 31 open-face model benefits from the Premium Integrated Matrix (PIM) Evo shell and multi-density EPS, excelling in augmenting shock resistance and furnishing optimal protection
- Methodically designed, it orchestrates a serenely quiet and aerodynamically refined ride, an outcome achieved through meticulous wind tunnel trials
- The sun-visor-equipped RPHA 31 effectively diminishes noise levels and mitigates wind turbulence
- Seamlessly aligning with technological progress, the RPHA 31 accommodates the second-generation SMART HJC Bluetooth communication systems allowing an undistracted focus on the road ahead (sold separately)
- Pinlock® 120 DKS467 Ready HJ-39 Shield: Provides 99% UV protection, anti-scratch coated
- PIM EVO Shell
- Premium integrated matrix / P.I.M EVO: Reinforcement materials including Carbon-Aramid Hybrid and Natural Fiber, provide enhanced Shock-Resistant performance, more comfort, and lightness of the helmet
- Aerodynamic design shell reduces air resistance & provides stability at high speed
- Full front-to-back airflow: 2 intakes and 4 exhausts
- The Dynamic Multi-Step Sun-Visor – offers a smoke-tinted, anti-fog coating that guarantees pristine clarity
- Swiftly activated through our bottom-positioned operation system
- Customize your experience further with multi-step adjustment feature, allowing you to position the sun visor up to 10 mm closer to your face, ensuring optimal shading and personalized comfort
- Sun Visor Mechanism
- Convenient integrated sun visor, boasting an anti-fog-coated smoke tint for exceptional clarity
- Swiftly deployable via bottom-positioned operation system, this feature ensures effortless sun protection
- Shield holder reduces noise & drag forces and holds visor tight
- RPHA Premium Fit Interior
- Advanced anti-bacterial fabric provides moisture-wicking and quick-drying function
- Crown and Cheek pads: Removable and washable
- 3D contour cheek pads
- Reflective material for safety
- Interchangeable cheek pads throughout all sizes for custom fit
- Precision Fit & Vision Control
- Distinguished by an elongated shell and extended chin EPS, the RPHA 31 ensures an encompassing full face-level fit
Part Locations
| Location |
Available |
| Wisconsin (WI) |
0 |
| New York (NY) |
0 |
| Texas (TX) |
0 |
| Nevada (NV) |
0 |
| North Carolina (NC) |
0 |
| National Total |
0 |
Stock levels last updated: December 26, 2025 5:41 PM
Professional Installation Available
Knobtown Cycle offers professional installation services. Contact us via a service request to learn more.
Thank you for Shopping at Knobtown Cycle!
When you shop with us, you’re not just buying motorcycle parts — you’re supporting a small, family-run business rooted right here in the heartland of America. Every order helps us keep riders on the road and fuels our passion for serving the motorcycle community.
From all of us at Knobtown Cycle, thank you for choosing local and riding with us.
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