Skip to content

HJC RPHA ST Knuckles Helmets

by HJC
Sold out
Original price $549.95
Current price $494.96
SKU 0101-7422

Currently Unavailable

Color: Black/Hi Vis-Green


Advanced P.I.M. (Premium Integrated Matrix) Construction: A matrix of Carbon Fiber, Aramid, Fiberglass and Organic Non-Woven Fabric create a remarkably strong yet extremely lightweight shell designed for superior fit and comfort using advanced CAD technology.

For the perfect and compact dimensions, RPHA ST comes in 3 different shells: 1st shell for XS-S sizing, 2nd for M-L sizing and 3rd for XL-2XL sizing.

“ACS” Advanced Channeling Ventilation System: Full front to back airflow flushes heat and humidity up and out.

Optically-superior Pinlock® 100% Max Vision®-prepared Face Shield: New 3D design provides 95% UV protection, anti-scratch coating and is prepared for the ultimate anti-fog system. Pinlock 100% Max Vision fog-resistant lens included.

Innovative Center One-Touch Open/Close Locking System: designed for an extremely secure seal.

RapidFire™ II Shield Replacement System: Simple and secure shield ratchet system provides ultra-quick, tool-less removal and installation for efficient operation.

One-Touch Integrated SunShield: Smoke-tinted anti-scratch SunShield deploys quickly and easily.

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 RPHA ST cheek pads are interchangeable throughout all helmet sizes.

Glasses Groove can accommodate riders who wear glasses.

DOT approved.