{"product_id":"hjc-f31-solid-black-motorcycle-helmet-small-part-number-ja21nus4xbkv","title":"HJC F31 Solid Black Motorcycle Helmet, Small – Part Number JA21NUS4XBKV","description":"F31 Helmet - Solid - Black - Small\n\u003cp\u003eThe HJC F31 Helmet in Solid Black is a lightweight, open-face motorcycle helmet designed for riders who want dependable protection, practical comfort, and adaptable features. This Small-size helmet uses an Advanced Fiberglass Composite (AFC) shell for a strong, streamlined construction suited to daily commuting, touring, and urban riding. The Double-D ring closure with pull tab provides a secure and adjustable fit, while the integrated dynamic multi-step sun shield helps optimize coverage for changing light conditions.\u003c\/p\u003e\u003cp\u003eThe HJC F31 includes an HJ-43 visor that is Pinlock prepared, anti-scratch coated, and engineered to provide 99% UV protection. Its interior uses moisture-wicking, quick-drying, and odor-free materials to help maintain comfort during extended rides. The crown and cheek pads are removable and washable for convenient cleaning, and the interchangeable cheek pads can be used across all helmet sizes to help fine-tune the fit. The helmet is also ready for the SMART HJC 2nd Generation 11B, 21B, and 50B Bluetooth communication systems, which are sold separately.\u003c\/p\u003e\u003cp\u003eAdvanced Channeling Ventilation System (ACS) technology uses three intake vents and one exhaust vent to promote full front-to-back airflow. This ventilation design helps flush heat and humidity from inside the helmet for improved riding comfort in warm conditions. The HJC F31 Solid Black Helmet is manufactured by HJC and supplied under vendor part number JA21NUS4XBKV. It is intended for motorcycle riders seeking a comfortable, feature-focused helmet with a secure Double-D ring fit system.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eShell: Advanced Fiberglass Composite (AFC) construction\u003c\/li\u003e\n\u003cli\u003eSize: Small\u003c\/li\u003e\n\u003cli\u003eModel: F31\u003c\/li\u003e\n\u003cli\u003eColor: Solid Black\u003c\/li\u003e\n\u003cli\u003eClosure: Double-D ring system with pull tab\u003c\/li\u003e\n\u003cli\u003eSun Shield: Dynamic multi-step design for optimized positioning\u003c\/li\u003e\n\u003cli\u003eCommunication Ready: Compatible with SMART HJC 2nd Generation 11B, 21B, and 50B Bluetooth systems, sold separately\u003c\/li\u003e\n\u003cli\u003eInterior: Moisture-wicking, quick-drying, odor-free, removable, and washable crown and cheek pads\u003c\/li\u003e\n\u003cli\u003eFit Adjustment: Interchangeable cheek pads across all helmet sizes\u003c\/li\u003e\n\u003cli\u003eVisor: HJ-43 visor with Pinlock preparation, anti-scratch coating, and 99% UV protection\u003c\/li\u003e\n\u003cli\u003eVentilation: Advanced Channeling Ventilation System with three intakes and one exhaust\u003c\/li\u003e\n\u003cli\u003eAirflow: Front-to-back ventilation helps remove heat and humidity\u003c\/li\u003e\n\u003cli\u003eBrand: HJC\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: JA21NUS4XBKV\u003c\/li\u003e\n\u003cli\u003eVendor Part Number: JA21NUS4XBKV\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HJC","offers":[{"title":"Default Title","offer_id":67545754992875,"sku":"01043731","price":279.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/5626156.png?v=1790672256","url":"https:\/\/ctracingservices.com\/products\/hjc-f31-solid-black-motorcycle-helmet-small-part-number-ja21nus4xbkv","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}