HJC RPHA 11 Pro Silverstone Helmets
- ECE & D.O.T. Approved
- Premium Integrated Matrix Plus (PIM Plus): Reinforcement materials, including Carbon & Carbon-Glass Hybrid fabric, provide enhanced Shock-Resistant performance. more comfort, and lightness of helmet.
- Emergency helmet release: Cheek pads are designed for safe/quick helmet removal in emergency rescue situations.
- HJ-26 Optically-superior 2D Flat-Racing Shield: Comes installed with Clear Anti-Fog Tear-Off Pin-Prepared Shield (shield has posts for tear-off film and pins for Anti-Fog insert). Included in box; Dark Smoke Anti-Fog Tear-Off Pin-Prepared Shield and Anti-Fog lens insert
- Wider eye port for better peripheral vision.
- Dual Shield lock System: Innovative Center one-touch shield lock with spring controlled lever. Up to 5mm initial shield position by releasing shield lock
- RapidFire II™ Shield Replacement System: Simple and secure shield ratchet system provides ultra-quick, tool-less removal and installation for efficient operation.
- “ACS” Advanced Channeling Ventilation System: Full front to back airflow flushes heat and humidity up and out. Optimized shell design for outstanding air flow.
- Max Air-flow Top Vent: Variable air flow is adjusted by glove-friendly dials on each intake vent. New rubber trim on each vent control gives a good tactile feel for precise adjustments.
- Multi-Cool™ Interior: Anti-bacterial, Polygiene® Infused silver chloride Technology. Anti-bacterial fabric with moisture-wicking and quick drying capabilities. Recessed speaker pockets with removable ear pocket pads. Removable and washable crown / cheek pads. Cheek pads are interchangeable in all sizes.
- Eyewear friendly EPS shape with special channels built into the helmet interior.
- Speaker pockets: For Bluetooth communication. Ready for Bluetooth
- 5 Year Limited Warranty: For the original purchaser, guarantees the helmet to be free of defects in materials and workmanship
- Weight: SM 3.11 lbs. (1,412 +/- 45g) MD to LG 3.21 lbs. (1,459+/- 45g) XL to 2XL 3.34 lbs. (1,515 +/- 45g)
Read on for more details.
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 3/4 to 6 7/8||21 1/4 to 21 5/8||54 to 55|
|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 1/4 to 7 3/8||22 7/8 to 23 1/4||58 to 59|
|XL||7 1/2 to 7 5/8||23 5/8 to 24||60 to 61|
|XXL||7 3/4 to 7 7/8||24 3/8 to 24 3/4||62 to 63|