{"product_id":"hjc-f31-solid-black-motorcycle-helmet-medium-part-number-ja21nus5xbkv","title":"HJC F31 Solid Black Motorcycle Helmet, Medium, Part Number JA21NUS5XBKV","description":"F31 Helmet - Solid - Black - Medium\n\u003cp\u003eThe HJC F31 Helmet in Solid Black is a streamlined open-face motorcycle helmet designed for riders who want dependable coverage, comfortable airflow, and everyday versatility. This Medium helmet features an Advanced Fiberglass Composite (AFC) shell for a lightweight, durable construction and a secure Double-D ring closure with pull tab. The HJC F31 combines practical protection with a clean, understated finish suitable for commuting, touring, and general street riding.\u003c\/p\u003e\u003cp\u003eFeature: Dynamic multi-step sun shield provides adjustable coverage and optimized positioning for changing light conditions. Feature: HJ-43 visor is Pinlock prepared, includes an anti-scratch coating, and provides 99% UV protection. Feature: Advanced Channeling Ventilation System (ACS) uses three intake vents and one exhaust vent to promote full front-to-back airflow, helping move heat and humidity away from the rider. Feature: Moisture-wicking, quick-drying, and odor-free interior materials support comfort during extended rides. The removable and washable crown and cheek pads make routine cleaning easier, while interchangeable cheek pads across all helmet sizes help simplify fit adjustments.\u003c\/p\u003e\u003cp\u003eThe HJC F31 is ready for HJC SMART 2nd Generation Bluetooth communication systems, including the 11B, 21B, and 50B units, which are sold separately. This helmet is sized Medium and is manufactured by HJC under manufacturer and vendor part number JA21NUS5XBKV. Its integrated ventilation, adjustable sun shield, prepared visor system, and serviceable interior make it a practical choice for riders seeking a comfortable HJC helmet for daily road use.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAdvanced Fiberglass Composite (AFC) shell provides a lightweight and durable helmet structure\u003c\/li\u003e\n\u003cli\u003eDouble-D ring closure with pull tab supports a secure, adjustable fit\u003c\/li\u003e\n\u003cli\u003eDynamic multi-step sun shield allows optimized positioning for changing light conditions\u003c\/li\u003e\n\u003cli\u003eReady for HJC SMART 2nd Generation 11B, 21B, and 50B Bluetooth systems, sold separately\u003c\/li\u003e\n\u003cli\u003eMoisture-wicking, quick-drying, and odor-free interior helps maintain riding comfort\u003c\/li\u003e\n\u003cli\u003eRemovable and washable crown and cheek pads simplify cleaning and maintenance\u003c\/li\u003e\n\u003cli\u003eInterchangeable cheek pads across all sizes support fit customization\u003c\/li\u003e\n\u003cli\u003eHJ-43 visor is Pinlock prepared, anti-scratch coated, and provides 99% UV protection\u003c\/li\u003e\n\u003cli\u003eAdvanced Channeling Ventilation System uses three intakes and one exhaust for front-to-back airflow\u003c\/li\u003e\n\u003cli\u003eMedium size in Solid Black, HJC F31 model, manufacturer and vendor part number JA21NUS5XBKV\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HJC","offers":[{"title":"Default Title","offer_id":67545772589291,"sku":"01043732","price":279.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/5627377.png?v=1790672329","url":"https:\/\/ctracingservices.com\/products\/hjc-f31-solid-black-motorcycle-helmet-medium-part-number-ja21nus5xbkv","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}