HJC RPHA 31 Dereen Helmet
$549.99
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- 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® 120XLT® 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
- Visor deflector, effortlessly deployable, augments the helmet's design
- Enhanced by a meticulously engineered visor holder, it not only curtails noise and bolsters visor security but also proficiently thwarts incoming wind turbulence
HJC Helmet Size Chart
RPHA 31
| Centimeters | Inches | Hat Size | |
|---|---|---|---|
| XS | 54 - 55 | 21 1/4” - 21 5/8” | 6 3/4 - 6 7/8 |
| S | 55 - 56 | 21 5/8” - 22” | 6 7/8 - 7 |
| M | 57 - 58 | 22 1/4” - 22 7/8” | 7 1/8 - 7 1/4 |
| L | 58 - 59 | 23 1/4” - 23 5/8” | 7 1/4 - 7 3/8 |
| XL | 60 - 61 | 23 5/8” - 24” | 7 1/2 - 7 5/8 |
| 2XL | 62 - 63 | 24 3/8” - 24 3/4” | 7 3/4 - 7 7/8 |
HJC Helmet Size Chart
RPHA 31 — Interior
| Size (cm) | Cheek Pads (cm) | Liner (cm) | |
|---|---|---|---|
| XS | 54 - 55 | 35 | 12 |
| S | 55 - 56 | 30 | 9 |
| M | 57 - 58 | 30 | 9 |
| L | 58 - 59 | 30 | 9 |
| XL | 60 - 61 | 35 | 12 |
| 2XL | 62 - 63 | 25 | 9 |