{"id":58683,"date":"2023-06-09T15:41:44","date_gmt":"2023-06-09T13:41:44","guid":{"rendered":"https:\/\/www.hoogstra-autosport.nl\/?post_type=product&p=58683"},"modified":"2026-02-23T14:40:01","modified_gmt":"2026-02-23T13:40:01","slug":"just1-helmet-j18-mips-rockstar","status":"publish","type":"product","link":"https:\/\/www.hoogstra-autosport.nl\/en\/product\/just1-helmet-j18-mips-rockstar\/","title":{"rendered":"JUST1 Helmet J18 MIPS Rockstar"},"content":{"rendered":"

Technical characteristics:
\n- Fiberglass shell
\n- 2 external scale sizes
\n- 2 EPS sizes
\n- MIPS system
\n- \"Just1 emergency removal\" system
\n- Adjustable and removable peak
\n- Peak extension included
\n- High quality metal ventilation screens
\n- Removable and washable inner lining
\n- Multiple vents system<\/p>\n

- Double D retention system
\n- ECE certification
\n– Maten S & XL
\n- ECE small scale weight 1250 g
\n- ECE large scale weight 1300 g<\/p>","protected":false},"excerpt":{"rendered":"

Technische kenmerken: – Glasvezel shell – 2 externe schaalgroottes – 2 EPS maten – MIPS systeem – “Just1 noodverwijdering” systeem – Verstelbare en verwijderbare piek – Piekverlenging inbegrepen – Hoogwaardige metalen ventilatieschermen – Uitneembare en wasbare binnenvoering – Meerdere ventilatieopeningen systeem – Dubbel D retentiesysteem – ECE-certificering – Maten S & XL – ECE kleine […]<\/p>\n","protected":false},"featured_media":58685,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[2818,4041],"product_tag":[],"class_list":{"0":"post-58683","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-fiberglass-crosshelmen","7":"product_cat-just1-helmen","8":"product_shipping_class-4016","10":"first","11":"instock","12":"sale","13":"taxable","14":"shipping-taxable","15":"purchasable","16":"product-type-variable"},"acf":[],"yoast_head":"\nJUST1 Helmet J18 MIPS Rockstar - Hoogstra Autosport<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.hoogstra-autosport.nl\/en\/product\/just1-helmet-j18-mips-rockstar\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"JUST1 Helmet J18 MIPS Rockstar - Hoogstra Autosport\" \/>\n<meta property=\"og:description\" content=\"Technische kenmerken: – Glasvezel shell – 2 externe schaalgroottes – 2 EPS maten – MIPS systeem – “Just1 noodverwijdering” systeem – Verstelbare en verwijderbare piek – Piekverlenging inbegrepen – Hoogwaardige metalen ventilatieschermen – Uitneembare en wasbare binnenvoering – Meerdere ventilatieopeningen systeem – Dubbel D retentiesysteem – ECE-certificering – Maten S & XL – ECE kleine […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.hoogstra-autosport.nl\/en\/product\/just1-helmet-j18-mips-rockstar\/\" \/>\n<meta property=\"og:site_name\" content=\"Hoogstra Autosport\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-23T13:40:01+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.hoogstra-autosport.nl\/teamkoen\/wp-content\/uploads\/2023\/06\/rockstar-fiberglass.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"986\" \/>\n\t<meta property=\"og:image:height\" content=\"986\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.hoogstra-autosport.nl\/product\/just1-helmet-j18-mips-rockstar\/\",\"url\":\"https:\/\/www.hoogstra-autosport.nl\/product\/just1-helmet-j18-mips-rockstar\/\",\"name\":\"JUST1 Helmet J18 MIPS Rockstar - 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