{"product_id":"hjc-rpha-60-arbre-mc21-motorcycle-helmet-small-part-fa49nus4221v","title":"HJC RPHA 60 Arbre MC21 Motorcycle Helmet, Small – Part FA49NUS4221V","description":"RPHA 60 Helmet - Arbre - MC21 - Small\n\u003cp\u003eThe HJC RPHA 60 Arbre MC21 motorcycle helmet combines advanced impact protection, aerodynamic stability, and adaptable touring performance in a premium full-face design. Its Premium Integrated Matrix (P.I.M.™) shell uses high-performance materials infused with epoxy resin and fiber tissue developed for demanding aircraft and racing applications. This construction helps provide strong impact protection, durability, and consistent stability while maintaining a lightweight feel. The wind-tunnel-tested shell and peak visor are shaped using Computational Fluid Dynamics (CFD) analysis to reduce drag and improve stability at high speeds.\u003c\/p\u003e\u003cp\u003eThis Small-size helmet includes a Dark Smoke sun shield and a tool-free removable peak visor for flexible street, touring, and adventure-style use. The Pinlock® Ready HJ-47 visor features a scratch-resistant coating and provides 99% UV protection, while the Dynamic Multi-Step Sun shield can be quickly adjusted using the bottom-mounted operating system. HJC’s Advanced Channeling Ventilation System (ACS) uses three front intakes and four rear exhausts to move heat and humidity away from the rider’s head. The double D-ring retention system provides secure fastening.\u003c\/p\u003e\u003cp\u003eInside, the RPHA Premium Fit interior uses advanced antibacterial fabric for moisture wicking and quick drying. Reflective 3D contour cheek pads are interchangeable across all helmet sizes, and the crown and cheek pads are removable and washable for convenient maintenance. The helmet comes with a Pinlock® insert, installed chin curtain, and breath deflector. It is also ready for optional SMART HJC 11B, 21B, and 50B Bluetooth communication systems. This HJC RPHA 60 helmet is designed to fit riders seeking premium protection and comfort for compatible motorcycle and powersports applications. Manufacturer and vendor part number: FA49NUS4221V.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSize: Small\u003c\/li\u003e\n\u003cli\u003eModel: RPHA 60 Arbre MC21\u003c\/li\u003e\n\u003cli\u003eBrand: HJC\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: FA49NUS4221V\u003c\/li\u003e\n\u003cli\u003eVendor part number: FA49NUS4221V\u003c\/li\u003e\n\u003cli\u003eShell Construction: Premium Integrated Matrix P.I.M.™ material with epoxy resin and fiber tissue for impact protection, durability, and stability\u003c\/li\u003e\n\u003cli\u003eAerodynamics: Wind-tunnel-tested shell and peak visor developed with CFD analysis to reduce drag and improve high-speed stability\u003c\/li\u003e\n\u003cli\u003eSun Protection: Dark Smoke sun shield with a Dynamic Multi-Step adjustment system\u003c\/li\u003e\n\u003cli\u003eVisor: Pinlock® Ready HJ-47 visor with scratch-resistant coating and 99% UV protection\u003c\/li\u003e\n\u003cli\u003eVentilation: Advanced Channeling Ventilation System with three intake vents and four exhaust vents\u003c\/li\u003e\n\u003cli\u003eInterior: Antibacterial, moisture-wicking, quick-drying RPHA Premium Fit fabric\u003c\/li\u003e\n\u003cli\u003eCheek Pads: Interchangeable reflective 3D contour cheek pads\u003c\/li\u003e\n\u003cli\u003eMaintenance: Removable and washable crown and cheek pads\u003c\/li\u003e\n\u003cli\u003eRetention: Double D-ring locking system\u003c\/li\u003e\n\u003cli\u003eIncluded Accessories: Pinlock® insert, installed chin curtain, and breath deflector\u003c\/li\u003e\n\u003cli\u003eCommunication Compatibility: Ready for optional SMART HJC 11B, 21B, and 50B Bluetooth systems\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HJC","offers":[{"title":"Default Title","offer_id":67548755198187,"sku":"01400604","price":619.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/5627202.png?v=1790685711","url":"https:\/\/ctracingservices.com\/products\/hjc-rpha-60-arbre-mc21-motorcycle-helmet-small-part-fa49nus4221v","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}