HJC RPHA 1N Arenas Helmet :: MotorcycleGear.com

HJC RPHA 1N Arenas Helmet

Features:

  • P.I.M. Plus (Premium Integrated Matrix Plus) Reinforcement Materials, Including Carbonand Carbon-Glass Hybrid Fabric
  • Aerodynamic Shell Design. 5 intake, 4 exhaust vents
  • “ACS” Advanced Channeling Ventilation System
  • Pinlock®-Ready, Anti-scratch, HJ-35 Shield
  • Easy Attachment System Allows Tool-LessShield Replacement
  • SilverCool™ Enhanced Moisture Wicking and Quick Dry
  • Removable, Washable Crown and Cheek Pads
  • Includes: Breach Deflector, Chin Curtain, Tear-Offfs, Clear Extended Aero-Spoiler, Pinlock® lens, Helmet ships with clear shield only
  • Speaker Pockets for Bluetooth Communication

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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 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

Other Useful HJC Information Links:

Care and Cleaning

Shield Installation

Interior Parts Removal/Care

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