HJC RPHA ST Knuckles Helmets
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.