{"product_id":"hjc-rpha-12n-dirano","title":"HJC RPHA 12N Dirano","description":"\u003cdiv class=\"trd trd--hjc\"\u003e\n\u003csection class=\"trd-hero\"\u003e\u003cp class=\"trd-eyebrow\"\u003eHJC · RPHA 12N · Full Face\u003c\/p\u003e\n\u003ch2 class=\"trd-headline\"\u003eHJC RPHA 12N Dirano Aerodynamic Full-Face\u003c\/h2\u003e\n\u003cp class=\"trd-lead\"\u003eThe HJC RPHA 12N Dirano is a full-face motorcycle helmet built around an aerodynamic shell shape and a premium ventilation layout for riders who spend time at higher speeds on the street or track. Its design focus is reducing air drag and noise while maintaining a stable feel in the wind.\u003c\/p\u003e\n\u003cp class=\"trd-lead\"\u003eThis helmet uses a PIM EVO shell and pairs it with the HJ-42 Curved Shield and ratchet system for smooth operation and a better seal. Inside, the fully removable liner and all size interchangeable cheek pads support a personalized fit, and an emergency pull tab is built in for quick cheek pad removal when needed.\u003c\/p\u003e\n\u003cul class=\"trd-chips\"\u003e\n\u003cli class=\"trd-chip\"\u003e\n\u003cspan class=\"trd-chip-label\"\u003eModel\u003c\/span\u003e\u003cspan class=\"trd-chip-value\"\u003eRPHA 12N\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"trd-chip\"\u003e\n\u003cspan class=\"trd-chip-label\"\u003eCertification\u003c\/span\u003e\u003cspan class=\"trd-chip-value\"\u003eDOT FMVSS No. 218 and ECE 22.06 approved\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e\u003cdiv class=\"trd-cards trd-cards--3 trd-cards--media\"\u003e\n\u003carticle class=\"trd-card trd-card--media\"\u003e\u003cdiv class=\"trd-card-body\"\u003e\n\u003cp class=\"trd-label\"\u003eConstruction\u003c\/p\u003e\n\u003ch3 class=\"trd-card-title\"\u003eAerodynamic shell design\u003c\/h3\u003e\n\u003cp class=\"trd-card-text\"\u003eRPHA 12N uses an aerodynamic shell structure intended for high-speed stability. HJC describes the construction as high-performance materials infused with epoxy resin and fiber tissue, influenced by aircraft and racing technology to help reduce drag while keeping the build lightweight and durable.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cfigure class=\"trd-card-media\"\u003e\u003cimg class=\"trd-card-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0585\/4884\/6743\/files\/hjc-rpha-12n-aerodynamic-performance-04df18.jpg?v=1793111838\u0026amp;width=900\" alt=\"HJC RPHA 12N Dirano – Aerodynamic shell design\" width=\"900\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003c\/article\u003e\u003carticle class=\"trd-card trd-card--media\"\u003e\u003cdiv class=\"trd-card-body\"\u003e\n\u003cp class=\"trd-label\"\u003eVentilation\u003c\/p\u003e\n\u003ch3 class=\"trd-card-title\"\u003eVentilation and defog airflow\u003c\/h3\u003e\n\u003cp class=\"trd-card-text\"\u003eAn advanced ventilation system manages heat and moisture with 4 air intakes and 3 exhaust vents. An enlarged front intake is designed for maximum defogging, helping keep air moving across the shield area while maintaining consistent ventilation at speed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cfigure class=\"trd-card-media\"\u003e\u003cimg class=\"trd-card-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0585\/4884\/6743\/files\/hjc-rpha-12n-superior-ventilation-7388c3.jpg?v=1793111838\u0026amp;width=900\" alt=\"HJC RPHA 12N Dirano – Ventilation and defog airflow\" width=\"800\" height=\"550\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003c\/article\u003e\u003carticle class=\"trd-card trd-card--media\"\u003e\u003cdiv class=\"trd-card-body\"\u003e\n\u003cp class=\"trd-label\"\u003eComfort\u003c\/p\u003e\n\u003ch3 class=\"trd-card-title\"\u003eShield, fit, and emergency tabs\u003c\/h3\u003e\n\u003cp class=\"trd-card-text\"\u003eA two-way pivot ratchet system is designed for smooth movement and improved sealing. For comfort and setup, the interior is fully removable, and cheek pads are interchangeable across all sizes; an emergency pull tab supports quick cheek pad removal.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cfigure class=\"trd-card-media\"\u003e\u003cimg class=\"trd-card-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0585\/4884\/6743\/files\/hjc-rpha-12n-visor-system-660e1b.jpg?v=1793111838\u0026amp;width=900\" alt=\"HJC RPHA 12N Dirano – Shield, fit, and emergency tabs\" width=\"900\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003c\/article\u003e\n\u003c\/div\u003e\n\u003csection class=\"trd-story\"\u003e\u003cfigure class=\"trd-story-media\"\u003e\u003cimg class=\"trd-story-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0585\/4884\/6743\/files\/hjc-rpha-12n-safety-c547c3.jpg?v=1793111883\u0026amp;width=1400\" alt=\"HJC RPHA 12N Dirano – P.I.M. shell construction\" width=\"1400\" height=\"934\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv class=\"trd-story-copy\"\u003e\n\u003cp class=\"trd-label\"\u003eConstruction\u003c\/p\u003e\n\u003ch3 class=\"trd-story-title\"\u003eP.I.M. shell construction\u003c\/h3\u003e\n\u003cp class=\"trd-story-text\"\u003eThe RPHA 12N is built around HJC’s Premium Integrated Matrix (P.I.M.) shell, described as enhancing impact resistance while keeping the helmet lightweight and durable. The shell’s aerodynamic profile is shaped to support high-speed stability and reduce drag, aligning with the helmet’s street-and-track performance focus.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"trd-story trd-story--text\"\u003e\u003cdiv class=\"trd-story-copy\"\u003e\n\u003cp class=\"trd-label\"\u003eShield\u003c\/p\u003e\n\u003ch3 class=\"trd-story-title\"\u003eHJ-42 shield and ratchet\u003c\/h3\u003e\n\u003cp class=\"trd-story-text\"\u003eThe helmet’s HJ-42 curved shield and ratchet system is designed to reduce air drag and noise while improving how the shield seals against the gasket. The visor is Pinlock-ready, features an anti-scratch coating, and provides 99% UV protection. A two-way pivot ratchet mechanism helps the shield move smoothly through its range and maintain a consistent closure.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"trd-story trd-story--text\"\u003e\u003cdiv class=\"trd-story-copy\"\u003e\n\u003cp class=\"trd-label\"\u003eVentilation\u003c\/p\u003e\n\u003ch3 class=\"trd-story-title\"\u003eAirflow with 4 and 3 vents\u003c\/h3\u003e\n\u003cp class=\"trd-story-text\"\u003eVent placement and channeling are central to the RPHA 12N design, using 4 intakes and 3 exhaust vents to maximize airflow through the helmet. The enlarged front intake targets maximum defogging, helping move fresh air into the helmet and out through the exhaust vents to support comfort during changing weather or higher-effort riding.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"trd-section trd-section--video\"\u003e\u003ch2 class=\"trd-section-title\"\u003eProduct Video\u003c\/h2\u003e\n\u003cdiv class=\"trd-video\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/7fCRgkYVvbM\" title=\"HJC RPHA 12N Dirano video\" loading=\"lazy\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"trd-section trd-section--specs\"\u003e\u003ch2 class=\"trd-section-title\"\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv class=\"trd-table-wrap\"\u003e\u003ctable class=\"trd-table trd-table--specs\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMaximum air intake\u003c\/th\u003e\n\u003ctd\u003e4 intakes and 3 exhausts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCertifications\u003c\/th\u003e\n\u003ctd\u003eDOT FMVSS No. 218 and ECE 22.06 approved\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e3.315 lbs \/ 1521 grams (approx, based on size medium)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"trd-section trd-section--options\"\u003e\u003ch2 class=\"trd-section-title\"\u003eAvailable Colors \u0026amp; Sizes\u003c\/h2\u003e\n\u003cdiv class=\"trd-table-wrap\"\u003e\u003ctable class=\"trd-table\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eColor\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eSizes\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eHJC Part Numbers\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003eDirano MC-8\u003c\/td\u003e\n\u003ctd\u003eX-Small, Small, Medium, Large\u003c\/td\u003e\n\u003ctd\u003e0872-2508-03, 0872-2508-04, 0872-2508-05, 0872-2508-06\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"trd-section trd-section--docs\"\u003e\u003ch2 class=\"trd-section-title\"\u003eManuals \u0026amp; Resources\u003c\/h2\u003e\n\u003cp class=\"trd-docs\"\u003e\u003ca class=\"trd-button\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0585\/4884\/6743\/files\/RPHA_12_EP_MANUAL-HELMET___R01_230808.pdf?v=1787988817\" target=\"_blank\" rel=\"noopener\"\u003eRPHA 12 Helmet Manual (PDF)\u003c\/a\u003e \u003ca class=\"trd-button\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0585\/4884\/6743\/files\/23-11-16_hjc_sizechart_1460x1100psd1700260316-1082305.png?v=1793107950\" target=\"_blank\" rel=\"noopener\"\u003eHJC Helmet Size Chart\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"trd-caption\"\u003eProvided by HJC. Opens in a new tab.\u003c\/p\u003e\u003c\/section\u003e\n\u003c\/div\u003e","brand":"HJC","offers":[{"title":"Dirano MC-8 \/ X-Small","offer_id":68166732054679,"sku":"0872-2508-03","price":539.99,"currency_code":"USD","in_stock":true},{"title":"Dirano MC-8 \/ Small","offer_id":68166732087447,"sku":"0872-2508-04","price":539.99,"currency_code":"USD","in_stock":true},{"title":"Dirano MC-8 \/ Medium","offer_id":68166732120215,"sku":"0872-2508-05","price":539.99,"currency_code":"USD","in_stock":true},{"title":"Dirano MC-8 \/ Large","offer_id":68166732152983,"sku":"0872-2508-06","price":539.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0585\/4884\/6743\/files\/rpha_12_dirano_mc8_11788556311-8882571788556311-888257.png?v=1793111889","url":"https:\/\/allamericanktm.com\/products\/hjc-rpha-12n-dirano","provider":"All American KTM","version":"1.0","type":"link"}