My Cart

There is 0 item in your cart.

Select Your Currency :

Brand Motorcycle Jacket & Helmet Sale for Motorbike Riders

Welcome to our Brand Motocycle Jacket & Helmet Store!

Special Discount HJC RPHA-ST Knuckle Helmet grey|yellow

Availability: In stock

Regular Price: $404.99

Special Price $129.00

* Required Fields

Special Discount HJC RPHA-ST Knuckle Helmet grey|yellow

Additional Information

Brand N/A



HJC RPHA-ST Knuckle Helmet.

The HJC RPHA-ST Knuckle Helmet comes in flat black with either a grey or yellow design. The yellow on this helmet is considered Hi-Vis and will definitely get you noticed. The grey version of this helmet is for the rider that wants to be stealthy and fly under the radar. The HJC RPHA-ST is one of the higher end offerings from HJC. This motorcycle helmet has Advanced P.I.M. and is one of the most well ventilated helmets on the market. This helmet meets or exceeds D.O.T. standard and comes with many different features like fully removable crown and cheek pads for washing as well as the internal sun-visor that can be deployed quickly and easily even with gloves on for those days when you are riding from day to night.

HJC RPHA-ST Helmet Features

  • Advanced P.I.M. (Premium Integrated Matrix): A matrix of Carbon Fiber, Aramid, Fiberglass and Organic Non-Woven Fabric create a remarkably strong yet extremely lightweight shell designed for superior fit & comfort using advanced CAD technology.
  • Optically-superior Anti-scratch Pinlock® face shield (HJ-20ST): Anti-Scratch coating providing 95% U.V. protection. Pinlock® insert included for the ultimate Anti-Fog system. Innovative center shield locking mechanism for a balanced, ultra
  • RapidFire II™ Shield Replacement System: Quick, tool-less shield removal and installation.
  • One-Touch Integrated Smoke-Tinted SunShield (HJ-L1): 2 positions easy to use side lever, even with gloves on. Quick and easy removal and installation with optional tinted shield available. Patent Pending 11/335,8550
  • 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.
  • SilverCool Plus™ 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. All sizes of cheek pads are interchangable in all helmet sizes.
  • 5 Year Limited Warranty: For the original purchaser, guarantees the helmet to be free of defects in materials and workmanship
  • Weight: XS to SM 3.18 lbs. (1,445 +/- 50g ) MD to LG 3.26 lbs. (1,480 +/- 50g ) XL to 2XL 3.35 lbs. (1,520 +/- 50g)
  • Meets or Exceeds D.O.T. standards

  • HJC RPHA-ST Helmet Sizing

    Wrap a tape measure horizontally around your forehead. Select the helmet that is the closest fit to that size. A helmet should fit snug on your head. If it moves while wearing, it is too large. If it is painful to wear, it is too small.

    Size Chart

    Size Hat Size Measurement
    XS6 5/8-6 3/420 7/8-21 1/4
    SM6 7/821 5/8-22
    MD7 1/8-7 1/422 1/2-22 7/8
    LG7 3/8-7 1/223 1/4-23 5/8
    XL7 5/8-7 3/4 24-24 3/8
    2XL7 7/8-824 3/4-25 1/4

Write Your Own Review

You're reviewing: Special Discount HJC RPHA-ST Knuckle Helmet grey|yellow

How do you rate this product? *

  1 star 2 stars 3 stars 4 stars 5 stars

Product Tags

Use spaces to separate tags. Use single quotes (') for phrases.

You may also be interested in the following product(s)