{"product_id":"on-one-thunderdome-mtb-helmet","title":"On-One Thunderdome MTB Helmet","description":"\u003cp\u003e\u003cstrong\u003eRide Hard. Stay Protected.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEngineered for riders who push the limits, the On-One Thunderdome delivers trail-ready protection with all-day comfort. Its rugged polycarbonate shell is fused to an EPS foam core for maximum impact absorption without adding unnecessary weight.\u003c\/p\u003e\n\u003cp\u003eStrategically placed vents keep air flowing, so you stay cool on climbs and focused on descents. The extended rear coverage shields your head where it matters most, while the visor blocks sun and debris when the trail gets rowdy.\u003c\/p\u003e\n\u003cp\u003eWith its bold matte finish and unmistakable On-One graphics, the Thunderdome isn’t just another helmet — it’s a statement. Strap in, hit the dirt, and ride like you mean it.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLightweight, in-mold construction for superior protection\u003c\/li\u003e\n\u003cli\u003e19 large vents for optimal airflow\u003c\/li\u003e\n\u003cli\u003eExtended rear coverage for added safety\u003c\/li\u003e\n\u003cli\u003eVisor for glare and debris protection\u003c\/li\u003e\n\u003cli\u003eSecure, dial-fit system for a snug, custom feel\u003c\/li\u003e\n\u003cli\u003eCE EN1078 \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTake the trail by storm — gear up with the Thunderdome.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\t","brand":"On-One","offers":[{"title":"Small\/Medium (55-59cm)","offer_id":53572108190042,"sku":"HEOOTD-5559-MBK","price":19.99,"currency_code":"GBP","in_stock":true},{"title":"Large\/X-Large (58-61cm)","offer_id":53572108222810,"sku":"HEOOTD-5861-MBK","price":19.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1009\/2062\/3450\/files\/P2-Thunderdome.png?v=1770906217","url":"https:\/\/planetx.co.uk\/products\/on-one-thunderdome-mtb-helmet","provider":"Planet X","version":"1.0","type":"link"}