{"product_id":"just1-j39-revo-grey-fluo-yellow-matt-black","title":"Just1 J39 Revo Grey \/ Fluo Yellow \/ Matt Black","description":"\u003cp\u003e\u003cstrong\u003eSize Guide\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cstyle\u003e\n    table {\n        width: 100%;\n        border-collapse: collapse;\n    }\n    th, td {\n        border: 1px solid #000000;\n        padding: 8px;\n        text-align: center;\n    }\n    th {\n        background-color: #0099ff;\n        color: #000000;\n    }\n    td {\n        background-color: #ffffff;\n        color: #000000;\n    }\n    @media only screen and (max-width: 600px) {\n        th, td {\n            font-size: 10px;\n        }\n    }\n\u003c\/style\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eXS\u003c\/th\u003e\n\u003cth\u003eS\u003c\/th\u003e\n\u003cth\u003eM\u003c\/th\u003e\n\u003cth\u003eL\u003c\/th\u003e\n\u003cth\u003eXL\u003c\/th\u003e\n\u003cth\u003eXXL\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e53-54cm\u003c\/td\u003e\n\u003ctd\u003e55-56cm\u003c\/td\u003e\n\u003ctd\u003e57-58cm\u003c\/td\u003e\n\u003ctd\u003e59-60cm\u003c\/td\u003e\n\u003ctd\u003e61-62cm\u003c\/td\u003e\n\u003ctd\u003e63cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003eJust1 J39 Revo Grey \/ Fluo Yellow \/ Matt Black\u003c\/h2\u003e\n\u003cp\u003eThe Just1 J39 Revo Grey \/ Fluo Yellow \/ Matt Black helmet combines contemporary styling with practical performance for everyday riders. This J39 colourway pairs a matt black base with high-visibility fluo yellow accents and subtle grey detailing to create a helmet that stands out while remaining sleek. The Just1 J39 offers a secure fit across its two shell sizes and multiple EPS configurations, ensuring the level of protection required for both urban commutes and countryside rides. With the J.1.E.R emergency removal system built in, the helmet is designed to aid first responders in the event of an incident, and the removable, washable interior keeps your helmet fresh ride after ride.\u003c\/p\u003e\n\u003cp\u003eThe Revo Grey \/ Fluo Yellow \/ Matt Black finish not only enhances visibility but also complements a wide range of motorcycle and clothing colours. Ventilation is well considered, with a total of eight air inlets and six outlets that work together to maintain airflow and rider comfort on longer journeys. The helmet meets ECE 22.06 standards, reflecting its modern safety credentials, while the high strength thermoplastic resin shell delivers dependable impact resistance. Whether you are upgrading from an entry-level helmet or seeking a reliable spare, the Just1 J39 Revo Grey \/ Fluo Yellow \/ Matt Black is a versatile choice.\u003c\/p\u003e\n\u003cp\u003eCare and maintenance are straightforward: the fully removable interior padding can be washed to keep hygiene levels high, and the double D locking system ensures a snug, adjustable closure for confident riding. Available across sizes from XS to XXL, with shell allocations to optimise fit — shell 1 covers XS\/S\/M and shell 2 covers L\/XL — the Just1 J39 adapts to a broad range of head shapes while delivering the features riders expect from a modern helmet.\u003c\/p\u003e\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh strength thermoplastic resin shell for reliable impact protection\u003c\/li\u003e\n\u003cli\u003eECE 22.06 Approved ensuring up-to-date safety compliance\u003c\/li\u003e\n\u003cli\u003e2 shell sizes and 3 EPS sizes for optimised fit\u003c\/li\u003e\n\u003cli\u003eJ.1.E.R Emergency removal system to assist first responders\u003c\/li\u003e\n\u003cli\u003eRemovable and washable interior padding for easy maintenance\u003c\/li\u003e\n\u003cli\u003e8 air inlets and 6 air outlets for effective ventilation\u003c\/li\u003e\n\u003cli\u003eDouble D Locking system for secure fastening\u003c\/li\u003e\n\u003cli\u003eShell 1 for sizes XS \/ S \/ M, Shell 2 for sizes L \/ XL\u003c\/li\u003e\n\u003cli\u003eDistinctive Revo Grey \/ Fluo Yellow \/ Matt Black colourway for enhanced visibility\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Just1","offers":[{"title":"XS","offer_id":53193798943058,"sku":"JUS626XS","price":99.99,"currency_code":"GBP","in_stock":false},{"title":"S","offer_id":53193798975826,"sku":"JUS626S","price":99.99,"currency_code":"GBP","in_stock":true},{"title":"M","offer_id":53193799008594,"sku":"JUS626M","price":99.99,"currency_code":"GBP","in_stock":true},{"title":"L","offer_id":53193799041362,"sku":"JUS626L","price":99.99,"currency_code":"GBP","in_stock":true},{"title":"XL","offer_id":53193799074130,"sku":"JUS626XL","price":99.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0895\/0412\/1170\/files\/JUS626_2026.jpg?v=1776164005","url":"https:\/\/www.motocentral.co.uk\/products\/just1-j39-revo-grey-fluo-yellow-matt-black","provider":"Moto Central","version":"1.0","type":"link"}