{"id":43343,"date":"2026-04-23T14:48:34","date_gmt":"2026-04-23T18:48:34","guid":{"rendered":"https:\/\/shopmainjet.ca\/?post_type=product&#038;p=43343"},"modified":"2026-07-11T06:33:18","modified_gmt":"2026-07-11T10:33:18","slug":"alpinestars-sm3-radium-helmet","status":"publish","type":"product","link":"https:\/\/shopmainjet.ca\/en\/product\/alpinestars-sm3-radium-helmet\/","title":{"rendered":"Alpinestars SM3 Radium Helmet"},"content":{"rendered":"<p>The S-M3 was developed for use in motocross, enduro, and off-road riding and combines innovative technologies for maximum comfort, excellent ventilation, and effective impact protection. The helmet is designed to provide riders with optimum protection while offering a comfortable fit.<\/p>\n<p><strong>Features<\/strong>:<\/p>\n<ul>\n<li>Thermally molded shell made of a special polymer blend with variable thickness for a balanced ratio of low weight and reliable protection<\/li>\n<li>Patented visor release system that releases the visor at a precisely defined force, reducing the strain on the neck in the event of an impact<\/li>\n<li>10 inlet and 7 outlet openings ensure maximum ventilation and effective heat exchange<\/li>\n<li>Inner EPS lining with patented low-friction coating that reduces rotational forces in oblique impacts and protects the brain through a sliding surface effect<\/li>\n<li>Lightweight design for optimal performance and comfort<\/li>\n<\/ul>\n<p><strong>Specifications:<\/strong><\/p>\n<ul>\n<li>ECE 22-06 approval<\/li>\n<li>Weight: approx. 1200 g (depending on size)<\/li>\n<li>Double D-ring closure<\/li>\n<li>Designed for best impact performance combined with high user-friendliness and ventilation<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>The S-M3 was developed for use in motocross, enduro, and off-road riding and combines innovative technologies for maximum comfort, excellent ventilation, and effective impact protection. The helmet is designed to provide riders with optimum protection while offering a comfortable fit. Features: Thermally molded shell made of a special polymer blend with variable thickness for a &hellip; <a href=\"https:\/\/shopmainjet.ca\/en\/product\/alpinestars-sm3-radium-helmet\/\">Continued<\/a><\/p>\n","protected":false},"featured_media":43345,"template":"","meta":[],"product-sub-category":[125],"brand":[190],"product-third-category":[568],"acf":{"woocommerce_product_size_chart":false,"woocommerce_product_featured_cart":false},"_links":{"self":[{"href":"https:\/\/shopmainjet.ca\/en\/wp-json\/wp\/v2\/product\/43343"}],"collection":[{"href":"https:\/\/shopmainjet.ca\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/shopmainjet.ca\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/shopmainjet.ca\/en\/wp-json\/wp\/v2\/media\/43345"}],"wp:attachment":[{"href":"https:\/\/shopmainjet.ca\/en\/wp-json\/wp\/v2\/media?parent=43343"}],"wp:term":[{"taxonomy":"product-sub-category","embeddable":true,"href":"https:\/\/shopmainjet.ca\/en\/wp-json\/wp\/v2\/product-sub-category?post=43343"},{"taxonomy":"brand","embeddable":true,"href":"https:\/\/shopmainjet.ca\/en\/wp-json\/wp\/v2\/brand?post=43343"},{"taxonomy":"product-third-category","embeddable":true,"href":"https:\/\/shopmainjet.ca\/en\/wp-json\/wp\/v2\/product-third-category?post=43343"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}