{"product_id":"hjc-rpha-60-arbre-mc4-helmet-medium-part-number-fa49nus5204v","title":"HJC RPHA 60 Arbre MC4 Helmet, Medium – Part Number FA49NUS5204V","description":"RPHA 60 Helmet - Arbre - MC4 - Medium\n\u003cp\u003eThe HJC RPHA 60 Arbre MC4 helmet in Medium combines advanced impact protection, aerodynamic performance, and adaptable touring functionality. Manufactured by HJC, this premium helmet uses Premium Integrated Matrix (P.I.M.™) construction, an epoxy resin and fiber tissue material developed for demanding applications such as aircraft manufacturing and racing. The PIM structure helps provide strong impact protection, reduced weight, durability, and consistent stability. The aerodynamic shell was wind-tunnel tested and refined with Computational Fluid Dynamics (CFD) analysis to help reduce drag and maintain stability at high speeds.\u003c\/p\u003e\u003cp\u003eFor adaptable riding conditions, the HJC RPHA 60 includes a removable peak visor that can be attached or removed without tools, along with an installed Dark Smoke sun shield. The Dynamic Multi-Step Sun shield can be quickly adjusted using the bottom-positioned operating system. The Pinlock® Ready HJ-47 visor provides 99% UV protection and features an anti-scratch coating. Advanced Channeling Ventilation System (ACS) airflow uses three intake vents and four exhaust vents to move heat and humidity away from the rider’s head.\u003c\/p\u003e\u003cp\u003eThe RPHA Premium Fit Interior features antibacterial fabric with moisture-wicking and quick-drying properties. Interchangeable 3D contour cheek pads are available throughout the helmet’s size range and include reflective material for added visibility. The crown and cheek pads are removable and washable for convenient maintenance. A Double-D ring retention system provides secure fastening. This Medium Arbre MC4 helmet includes a Pinlock® insert, installed chin curtain, and breath deflector. It is also ready for SMART HJC 11B, 21B, and 50B Bluetooth communication systems, sold separately. Manufacturer and vendor part number: FA49NUS5204V.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePremium Integrated Matrix (P.I.M.™) construction: Epoxy resin and fiber tissue structure supports impact protection, durability, low weight, and stable performance.\u003c\/li\u003e\n\u003cli\u003eWind tunnel tested aerodynamics: CFD-developed shell and peak design help reduce drag and improve stability at high speeds.\u003c\/li\u003e\n\u003cli\u003eRemovable peak visor: Attaches and removes without tools for versatile riding configuration.\u003c\/li\u003e\n\u003cli\u003eDark Smoke sun shield: Installed internal shield provides convenient protection from bright sunlight.\u003c\/li\u003e\n\u003cli\u003ePinlock® Ready HJ-47 visor: Anti-scratch visor provides 99% UV protection and accepts a Pinlock® anti-fog insert.\u003c\/li\u003e\n\u003cli\u003eAdvanced Channeling Ventilation System (ACS): Three intake vents and four exhaust vents promote front-to-back airflow.\u003c\/li\u003e\n\u003cli\u003eRPHA Premium Fit Interior: Antibacterial fabric helps wick moisture and dry quickly.\u003c\/li\u003e\n\u003cli\u003eRemovable and washable padding: Crown and cheek pads support convenient cleaning and long-term comfort.\u003c\/li\u003e\n\u003cli\u003e3D contour cheek pads: Interchangeable pads fit throughout the size range and include reflective material.\u003c\/li\u003e\n\u003cli\u003eDouble-D ring locking system: Provides secure helmet retention.\u003c\/li\u003e\n\u003cli\u003eIncluded accessories: Pinlock® insert, installed chin curtain, and breath deflector.\u003c\/li\u003e\n\u003cli\u003eBluetooth ready: Compatible with SMART HJC 11B, 21B, and 50B communication systems, sold separately.\u003c\/li\u003e\n\u003cli\u003eFitment: Medium-size HJC RPHA 60 Arbre MC4 motorcycle helmet.\u003c\/li\u003e\n\u003cli\u003eBrand and part number: HJC, manufacturer and vendor part number FA49NUS5204V.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HJC","offers":[{"title":"Default Title","offer_id":67548822339819,"sku":"01400611","price":619.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/5627151.png?v=1790685991","url":"https:\/\/ctracingservices.com\/products\/hjc-rpha-60-arbre-mc4-helmet-medium-part-number-fa49nus5204v","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}