{"product_id":"impact-os20-race-carbon-helmet-sa2025","title":"Impact Carbon Fiber OS20 RACE Offset Air SA2025 Helmet Wired OFFROAD","description":"\u003ch2\u003eImpact OS20 RACE Carbon Helmet — Snell SA2025 — NZ \u0026amp; Australia\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eHarris Race Radios is a NZ \u0026amp; AU stockist and supplier of genuine Impact helmets.\u003c\/strong\u003e The \u003cstrong\u003eImpact Carbon Fiber OS20 RACE Offset Air Helmet\u003c\/strong\u003e is purpose-built for competitors who need maximum cockpit clearance without sacrificing communication quality. Certified to \u003cstrong\u003eSnell SA2025\u003c\/strong\u003e, built from lightweight carbon fibre, and wired with a Rugged Radios helmet kit, the OS20 RACE is the choice of rally, circuit, and off-road competitors running tight cockpit configurations in NZ and AU.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eAaron Harris\u003c\/strong\u003e — racing engineer with hands-on experience across circuit, rally, and endurance competition — advises on helmet selection, homologation compliance, and safety system integration for every helmet we supply. \u003cstrong\u003eRex Harris\u003c\/strong\u003e — professional qualified radio engineer (ACMA\/RSM certified) — configures and integrates the Rugged Radios wired kit with your intercom and radio system. \u003ca href=\"\/pages\/contact-harris-race-radios\"\u003eContact Harris Race Radios for expert OS20 RACE advice →\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhy the OS20 RACE? The Offset Air Advantage\u003c\/h2\u003e\n\u003cp\u003eThe defining feature of the OS20 RACE is its \u003cstrong\u003eoff-centred, left-positioned air inlet angled 20 degrees\u003c\/strong\u003e. This solves two problems that plague standard top-air helmets in tight cockpits:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdded overhead clearance\u003c\/strong\u003e — the offset inlet clears roll cages, roof bars, and low cockpit rooflines that a centred inlet would foul\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminates mic interference\u003c\/strong\u003e — the unique air channel placement prevents fresh air from \"opening\" the microphone and causing communication noise — a common problem with standard air systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree individual air channels\u003c\/strong\u003e — route fresh air directly onto the visor to reduce fogging and keep contaminants out of the visual field\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eImpact OS20 RACE Key Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSnell SA2025 certified\u003c\/strong\u003e — current homologation accepted by MSNZ and Motorsport Australia\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon fibre construction\u003c\/strong\u003e — lightweight shell reduces neck fatigue in long-stint and endurance events\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOffset 20° air intake\u003c\/strong\u003e — left-positioned for maximum overhead clearance in tight cockpits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree individual air channels\u003c\/strong\u003e — direct airflow onto visor; reduces fogging and contamination\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide eye port\u003c\/strong\u003e — exceptional peripheral vision range\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWicker bill design\u003c\/strong\u003e — aerodynamic downforce prevents helmet lift at high speeds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFire-retardant Kevlar® chinstrap\u003c\/strong\u003e — locking dual D-ring design\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in chin deflector\u003c\/strong\u003e — Nomex® covered eye port gasket eliminates dust and contaminants\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemovable cheek pads\u003c\/strong\u003e — optional pads available in multiple thicknesses for a bespoke fit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntelligent Gray Matter inner liner\u003c\/strong\u003e — soft-knit fire-retardant Nomex® fabrics throughout\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWired with Rugged Radios helmet kit\u003c\/strong\u003e — ready to connect to your intercom system out of the box\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSizing Chart\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eHelmet Size\u003c\/th\u003e\n\u003cth\u003eInches\u003c\/th\u003e\n\u003cth\u003eHat Size\u003c\/th\u003e\n\u003cth\u003eMetric (cm)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eX-Small\u003c\/td\u003e\n\u003ctd\u003e20 5\/8 – 21\u003c\/td\u003e\n\u003ctd\u003e6 3\/4 – 6 7\/8\u003c\/td\u003e\n\u003ctd\u003e53–54\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSmall\u003c\/td\u003e\n\u003ctd\u003e21 5\/8 – 22\u003c\/td\u003e\n\u003ctd\u003e6 7\/8 – 7\u003c\/td\u003e\n\u003ctd\u003e55–56\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMedium\u003c\/td\u003e\n\u003ctd\u003e22 1\/4 – 22 3\/4\u003c\/td\u003e\n\u003ctd\u003e7 1\/8 – 7 1\/4\u003c\/td\u003e\n\u003ctd\u003e57–58\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLarge\u003c\/td\u003e\n\u003ctd\u003e23 1\/4 – 23 5\/8\u003c\/td\u003e\n\u003ctd\u003e7 3\/8 – 7 1\/2\u003c\/td\u003e\n\u003ctd\u003e59–60\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eX-Large\u003c\/td\u003e\n\u003ctd\u003e23 3\/4 – 24 1\/8\u003c\/td\u003e\n\u003ctd\u003e7 5\/8 – 7 3\/4\u003c\/td\u003e\n\u003ctd\u003e61–62\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eWhen in doubt, size down — racing helmets should fit firmly with no movement. \u003ca href=\"\/pages\/contact-harris-race-radios\"\u003eContact us to confirm your size →\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3\u003eIs the Impact OS20 RACE legal for MSNZ and Motorsport Australia events?\u003c\/h3\u003e\n\u003cp\u003eThe OS20 RACE is Snell SA2025 certified. Snell SA2025 is accepted by both Motorsport New Zealand (MSNZ) and Motorsport Australia for applicable categories. Always verify the specific homologation standard required for your series with your series organiser or controlling body before purchasing.\u003c\/p\u003e\n\n\u003ch3\u003eWhat is the offset air intake and why does it matter?\u003c\/h3\u003e\n\u003cp\u003eThe OS20 RACE features a left-positioned air inlet angled 20 degrees off-centre. This provides added overhead clearance in tight cockpits where a standard centred inlet would foul roll cage bars or roof structures. The offset placement also eliminates the fresh air system from interfering with the microphone — a common problem with standard top-air helmets.\u003c\/p\u003e\n\n\u003ch3\u003eWhat intercom system does the OS20 RACE come wired for?\u003c\/h3\u003e\n\u003cp\u003eThe OS20 RACE is wired with a Rugged Radios helmet kit. Rex Harris can advise on integration with your specific intercom and radio system. \u003ca href=\"\/pages\/contact-harris-race-radios\"\u003eContact us →\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eCan I use the OS20 RACE with a Harris Race Radio system?\u003c\/h3\u003e\n\u003cp\u003eYes. Rex Harris — ACMA\/RSM certified radio engineer — configures the Rugged Radios wired kit for integration with Harris Race Radios systems. Contact us before purchase to confirm cable and connector compatibility with your specific radio.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I choose the right size?\u003c\/h3\u003e\n\u003cp\u003eMeasure the widest circumference of your head above the ears in centimetres and match to the sizing chart above. When in doubt, size down — racing helmets should fit firmly. We offer bespoke fitting advice at Harris Race Radios.\u003c\/p\u003e\n\n\u003cp\u003e\u003ca href=\"\/collections\/impact-helmets\"\u003e\u003cstrong\u003eShop all Impact Helmets →\u003c\/strong\u003e\u003c\/a\u003e | \u003ca href=\"\/collections\/rugged-radios-intercoms\"\u003e\u003cstrong\u003eRugged Radios Intercoms →\u003c\/strong\u003e\u003c\/a\u003e | \u003ca href=\"\/pages\/contact-harris-race-radios\"\u003e\u003cstrong\u003eGet expert advice from Rex \u0026amp; Aaron Harris →\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eHarris Race Radios is a NZ \u0026amp; AU stockist and supplier of genuine Impact helmets. \u003cstrong\u003eRex Harris\u003c\/strong\u003e — professional qualified radio engineer (ACMA\/RSM certified) — installs and configures helmet electronics, intercoms, and radio systems across NZ and AU motorsport. \u003cstrong\u003eAaron Harris\u003c\/strong\u003e — racing engineer with hands-on experience across circuit, rally, and endurance competition — advises on helmet selection, homologation compliance, and safety system integration for every helmet we supply. Trusted by competitors from club days through to professional championship events. All helmets are genuine, warranty-backed, and ship fast across NZ and AU.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is the Impact OS20 RACE legal for MSNZ and Motorsport Australia events?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The OS20 RACE is Snell SA2025 certified, accepted by both Motorsport New Zealand and Motorsport Australia for applicable categories. Always verify the specific homologation standard required for your series with your series organiser before purchasing.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the offset air intake on the Impact OS20 RACE?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The OS20 RACE features a left-positioned air inlet angled 20 degrees off-centre. This provides added overhead clearance in tight cockpits and eliminates the fresh air system from interfering with the microphone.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What intercom system does the Impact OS20 RACE come wired for?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The OS20 RACE is wired with a Rugged Radios helmet kit. Rex Harris (ACMA\/RSM certified radio engineer) can advise on integration with your specific intercom and radio system.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I use the Impact OS20 RACE with a Harris Race Radio system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. Rex Harris configures the Rugged Radios wired kit for integration with Harris Race Radios systems. Contact us before purchase to confirm cable and connector compatibility.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I choose the right size for the Impact OS20 RACE?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Measure the widest circumference of your head above the ears in centimetres and match to the sizing chart. When in doubt, size down — racing helmets should fit firmly.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003cstyle\u003ea { text-decoration: none; color: #464feb; } tr th, tr td { border: 1px solid #e6e6e6; } tr th { background-color: #f5f5f5; }\u003c\/style\u003e","brand":"Impact","offers":[{"title":"XS","offer_id":45434261143771,"sku":"OS20CF-HK-XS","price":3789.0,"currency_code":"NZD","in_stock":true},{"title":"SM","offer_id":45434261176539,"sku":"OS20CF-HK-SM","price":3789.0,"currency_code":"NZD","in_stock":true},{"title":"MD","offer_id":45434261209307,"sku":"OS20CF-HK-MD","price":3789.0,"currency_code":"NZD","in_stock":true},{"title":"LG","offer_id":45434261242075,"sku":"OS20CF-HK-LG","price":3789.0,"currency_code":"NZD","in_stock":true},{"title":"XL","offer_id":45434261274843,"sku":"OS20CF-HK-XL","price":3789.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/6670\/1531\/files\/impact-impact-carbon-fiber-os20-race-offset-air-helmet-wired-offroad-667552.jpg?v=1715303059","url":"https:\/\/harrisraceradios.com\/products\/impact-os20-race-carbon-helmet-sa2025","provider":"Harris Race Radios","version":"1.0","type":"link"}