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HJC RPHA 12 Diablo Blizzard Helmet
- Premium Integrated Matrix EVO (PIM EVO)
- Optimized Aerodynamic Performance: Reduced lift and drag for enhanced stability
- Optimized Rear Spoiler
- Aerodynamic Focused Shell Shape
- HJ-42 Curved Shield and Ratchet Reduces Air Drag & Noise
- 2-Way Pivot Ratchet System Provides Improved Sealing
- Maximum Air Intake: 4 Intakes & 3 Exhausts
- Enlarged Front Intake For Maximum Defogging
- Fully Removable Interior With All Size Interchangeable Cheek Pads
- Emergency Pull Tab
- Standards: DOT Approved
- Construction: Premium Integrated Matrix EVO
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Our Price:
$649.99 - $654.99
Sizing Information
Below is a size chart provided by HJC for this product. If you need help with how to measure, or how to evaluate the fit of a helmet please have a look at this guide by HJC (the size chart included in this guide is for a “generic” HJC helmet and may differ slightly from the chart below that is specific to this product).
If you have questions about how this helmet might fit as compared to other helmets in your closet, please visit this FAQ for some advice.
| Helmet Size | Hat Size | Head Measurement (inches) | Head Measurement (cm) |
|---|---|---|---|
| XS | 6 5/8 to 6 3/4 | 20 7/8 to 21 1/4 | 53 to 54 |
| Small | 6 7/8 to 7 | 21 5/8 to 22 | 55 to 56 |
| Medium | 7 1/8 to 7 1/4 | 22 1/2 to 22 7/8 | 57 to 58 |
| Large | 7 3/8 to 7 1/2 | 23 1/4 to 23 5/8 | 59 to 60 |
| XL | 7 5/8 to 7 3/4 | 24 to 24 3/8 | 61 to 62 |
| XXL | 7 7/8 to 8 | 24 3/4 to 25 1/4 | 63 to 64 |
Other Useful HJC Information Links:
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