HJC RPHA ST Rugal Helmet

  • Advanced P.I.M. (premium integrated matrix) a composite of carbon fiber, fiberglass epoxy, Aramid epoxy, and organic fibers resulting in a remarkably strong shell which is extremely lightweight
  • Optically superior fog resistant clear Pinlock® prepared shield (HJ-20ST) comes complete with a clear Pinlock® insert for the ultimate Anti-Fog system. Innovative center shield locking mechanism for a balanced, ultra secure seal
  • RapidFire™ II shield replacement system: quick, tool-less removal and installation
  • One-Touch integrated smoke-tinted anti-scratch SunShield (HJ-L1): 2 positions, easy to use side lever even with gloves on. Quick and easy removal and installation with optional tinted shields available
  • Max Air-flow top vent: variable air flow is adjusted by glove-friendly intake vent
  • “ACS” Advanced channeling ventilation system; full front to back airflow flushes heat and humidity up and out
  • SilverCoolPlus™ interior: Premium soft feel with Ginkgo Extract; moisture-wicking and odor free interior with advanced silver anti-bacterial fabric. Crown and cheek pads are fully removable and washable
  • 5 year limited warranty
  • Meets or exceeds D.O.T. standards

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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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