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Black Friday 2025

Osone S521 Black Matte

Flip Up Helmet Osone S521 Black Matte

The helmet is equipped with an internal smoked visor and a removable anti-glare external screen. The interior padding is removable, washable and treated against allergens, offering double density for great comfort.

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96.86 €

VAT included

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The ABS case, micro-closure system, wide frontal ventilation above and below, and anti-skid chin. It will seduce you with a very interesting quality-price relationship.

The Osone S521 helmet is a motorcycle helmet model that offers a wide range of features. It is an unisex product, meaning it can be used by both men and women. The main color of the helmet is black, but it is also available in other colors. The material used is thermoplastic resin, which gives it great durability and resistance. The helmet's closure is fast and easy to use, and it also includes a solar and ventilated visor. The finish of the helmet is matte and meets the ECE 22-06 standards.

The Osone S521 helmet is a modular helmet model that offers great flexibility and comfort. The closure of the helmet is fast and easy to use, allowing the user to put on and take off the helmet with ease. The helmet includes a solar visor, providing great protection and comfort. The material used is thermoplastic resin, which gives it great durability and resistance. The helmet is unisex and meets the ECE 22-06 standards. The finish of the helmet is matte and black, but it is also available in other colors.

Product details:

  • 3 EPS sizes for a better fit (XS-S smallest shell M intermediate shell and L-2XL largest shell.
  • Delivered with fonde for the helmet
  • Weight size M +- 1850gr
  • ECE 22-06 standards
  • Not prepared for pinlock
  • Removable interior

**Sizes**

  • Size XS = (head circumference 53-54cm)
  • Size S = (head circumference 55-56cm
  • Size M = (head circumference 57-58cm)
  • Size L = (head circumference 59-60cm)
  • Size XL = (head circumference 60-61cm)
  • Size XXL = (head circumference 61-62cm)

**Warranty**

The Osone warranty has a validity of 2 years. It covers any type of manufacturing defect or material used in the manufacture of the product.

It has limitations and exclusions:

  • Due to defects suffered during the usual use of the article.
  • Deterioration of some parts due to their usual use and lack of maintenance by the user (e.g. padding, liners, visors, solar visor mechanisms, PINLOCKs, etc.)
  • Abuse or misuse of the article or any mechanism of the article, the warranty does not apply to problems derived from abuse, negligence, modifications, accidents, etc. by the user.
  • Use of adhesives, glues or other products that may damage the surface of the article.
  • Prolonged exposure to sunlight that may discolor the article or damage other parts of it.
  • Exposure of the product on surfaces that may erode the surface or fabrics of the articles.
  • The fluorescent colors (paints and/or decorations) may fade or degrade over time depending on the user's environment and repeated exposure to external elements, without this being considered a defect.