J12 Vector Orange / Blue / White / Gloss


The JUST1 J12 helmet was developed and designed with the aim of creating the safest and most comfortable helmet for a rider. A perfect fit is an essential element in the performance of a helmet. The outer shell is made of high rigidity carbon fiber which allows to obtain a light and very resistant shell. JUST1 J12 has 2 outer shell sizes ensuring an adequate ratio between weight, safety and stability. The inner shell in EPS (lightweight foam with high shock absorption) is scaled according to the outer shell and therefore with two different sizes.

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SKU J1236CVCOBW Categories , , ,


  • High rigidity carbon fiber outer shell in 2 sizes
  • Anatomical structure with exclusive “N.B.F.F.” (Neck Brace Front Fit)
  • Removable and washable interior, anti-microbial & highly breathable fabric
  • Removable cheek pads with the “J.1.E.R” (Just 1 Emergency Remove) safety system
  • Internal protective chin guard with air intakes
  • Internal protective shell in expanded polystyrene, with air ducts;
  • Multiple air intakes, with anti-intrusion metal meshes
  • Multiple rear air extractors
  • Adjustable peak equipped with air intakes
  • Double D steel retention system
  • Helmet shell shape = intermediate oval
  • ECE Certification
  • DOT Certification

Additional information

Weight 2.9 lbs

Blue, Orange, White




X-Small, Small, Medium, Large, X-Large, XX-Large


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  • Wrap the measuring tape around the fullest part of the head.
  • This will be just above the ears and about a half-inch above the eyebrows for most.
  • Take the measurement at the forehead.
  • To get the most accurate measure, have help with this step.
X-Small20 7/8 - 21 1/453 - 54
Small21 5/8 - 2255 - 56
Meidum22 1/857 - 58
Large23 1/4 - 23 5/859 - 60
X-Large24 - 24 3/861 - 62
XX-Large24 3/463