HJC RPHA 1N Red Bull Austin GP Helmet :: MotorcycleGear.com

HJC RPHA 1N Red Bull Austin GP Helmet

  • P.I.M. Plus (Premium Integrated Matrix Plus) Reinforcement Materials, Including Carbon and 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-Less Shield Replacement
  • SilverCoolTM Enhanced Moisture Wicking and Quick Dry
  • Removable, Washable Crown and Cheek Pads
  • Includes: Breath Deflector, Chin Curtain, Tear-Offs, Pinlock Lens, Clear Extended Aero-Spoiler
  • Speaker Pockets for Bluetooth Communication
Standards:
  • FIM, ECE, & DOT Approved
Construction:
  • P.I.M. Plus Reinforcement Materials

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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


External Links for Fit Help:

Find the best helmet models for your head shape and size: LidPicker.com

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