{"product_id":"hjc-rpha-31-open-face-motorcycle-helmet-solid-n-gray-medium-ja19nus5xgnv","title":"HJC RPHA 31 Open-Face Motorcycle Helmet Solid N Gray Medium JA19NUS5XGNV","description":"RPHA 31 Helmet - Solid - N Gray - Medium\n\u003cp\u003eThe HJC RPHA 31 is a premium open-face motorcycle helmet designed for riders seeking refined comfort, reduced wind noise, and dependable protection during everyday road use and touring. This medium-size helmet features HJC’s Premium Integrated Matrix (PIM) EVO shell, combining carbon-aramid hybrid and natural fiber reinforcement materials for enhanced shock resistance, lightness, and comfort. Its elongated shell profile and extended chin EPS provide an encompassing full face-level fit while maintaining the open-face design.\u003c\/p\u003e\u003cp\u003eEngineered through extensive wind-tunnel testing, the RPHA 31 uses an aerodynamic shell to reduce air resistance and improve stability at higher speeds. The integrated shield holder helps reduce noise and drag while keeping the visor securely in place. The Pinlock 120XLT DKS467-ready HJ-39 shield provides 99% UV protection and features an anti-scratch coating. A built-in smoke-tinted sun visor with anti-fog treatment deploys through the bottom-mounted mechanism and offers multi-step adjustment, including positioning up to 10 mm closer to the face for personalized shade and viewing comfort.\u003c\/p\u003e\u003cp\u003eVentilation is supplied through two intake vents and four exhaust vents to promote continuous front-to-back airflow. The RPHA Premium Fit interior uses advanced antibacterial fabric with moisture-wicking and quick-drying properties. Removable, washable crown and cheek pads, along with interchangeable 3D-contour cheek pads, support a more precise fit across helmet sizes. Reflective materials improve visibility in low-light conditions, and the helmet is compatible with second-generation SMART HJC Bluetooth communication systems, sold separately.\u003c\/p\u003e\u003cp\u003eThis HJC RPHA 31 helmet is finished in Solid N Gray, size Medium, and is identified by manufacturer part number JA19NUS5XGNV and vendor part number JA19NUS5XGNV. It is suited for riders who want integrated sun protection, controlled airflow, a quiet aerodynamic profile, and adaptable comfort for commuting, touring, and general street riding.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: HJC\u003c\/li\u003e\n\u003cli\u003eModel: RPHA 31\u003c\/li\u003e\n\u003cli\u003eSize: Medium\u003c\/li\u003e\n\u003cli\u003eColor: Solid N Gray\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: JA19NUS5XGNV\u003c\/li\u003e\n\u003cli\u003eVendor Part Number: JA19NUS5XGNV\u003c\/li\u003e\n\u003cli\u003eShell Construction: Premium Integrated Matrix (PIM) EVO shell with carbon-aramid hybrid and natural fiber reinforcement\u003c\/li\u003e\n\u003cli\u003eProtection: Multi-density EPS designed to improve impact energy management\u003c\/li\u003e\n\u003cli\u003eAerodynamics: Wind-tunnel-tested shell reduces air resistance and supports stability at higher speeds\u003c\/li\u003e\n\u003cli\u003eVentilation: Two intake vents and four exhaust vents provide front-to-back airflow\u003c\/li\u003e\n\u003cli\u003eMain Shield: Pinlock 120XLT DKS467-ready HJ-39 shield with 99% UV protection and anti-scratch coating\u003c\/li\u003e\n\u003cli\u003eSun Visor: Integrated smoke-tinted, anti-fog sun visor with multi-step adjustment\u003c\/li\u003e\n\u003cli\u003eInterior: Antibacterial, moisture-wicking, quick-drying premium fit fabric\u003c\/li\u003e\n\u003cli\u003eFit System: Removable and washable crown and cheek pads with interchangeable 3D-contour cheek pads\u003c\/li\u003e\n\u003cli\u003eVisibility: Reflective material supports improved visibility in low-light conditions\u003c\/li\u003e\n\u003cli\u003eCommunication Compatibility: Accepts second-generation SMART HJC Bluetooth communication systems, sold separately\u003c\/li\u003e\n\u003cli\u003eFitment: Designed for motorcycle street riding, commuting, and touring applications\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HJC","offers":[{"title":"Default Title","offer_id":67545218842859,"sku":"01043846","price":499.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/5628890.png?v=1790657425","url":"https:\/\/ctracingservices.com\/products\/hjc-rpha-31-open-face-motorcycle-helmet-solid-n-gray-medium-ja19nus5xgnv","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}