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HJC DS-X1 Synergy Dual Sport Helmet with Dual Shield
- Advanced Polycarbonate Compact Shell
- Superior Fit and Comfort Using Advanced CAD Technology
- SuperCool® Moisture-Wicking Interior
- Large Eye Port for Maximum Visibility
- Pinlock®-Prepared HJ-27 Shield
- Aerodynamic Visor and Shell
- Converts From Shield/Visor to Visor-Only Helmet
- Chin Curtain Included
- “ACS” Advanced Channeling VentilationSystem
- Glasses Grooves for Riders with Eyeglasses
- Double D-Ring Chin Strap
- Standards: DOT-218
- Construction: Advanced Polycarbonate Composite Shell
- Weight: 3.5 lbs / 1573 gram
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Our Price:
$239.99 - $244.99
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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