Ruby Helmets Belvedere Helmet | Monceau

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The Belvedere (Jet Helmet)

The Belvedere Jet Helmet is based on the chassis of the Open Face Helmet and equipped with an articulated screen/visor that can cover the complete face. It lets you ride with comfort in any weather condition. While the Open Face Helmet claims more to be a retro helmet, the Belvedere Jet Helmet is rather retro-futuristic, reminding of robots and fiction heroes of the 1960s. Every Jet Helmet comes with three visors, a clear, light smoke and dark smoke, which are exchangeable within seconds, thanks to the quick release fastening pivots on the sides of the helmet. Of course, the Jet Helmet meets the same safety and quality demands as the Open Face Helmet.

Exquisite Design

  • Subtle and sensual spine, that is the signature of Ruby.
  • Chrome, black leather or rubber trim, that reminds of old luxury cars, outlines the helmet.
  • Bordeaux red calfskin Nappa leather & anti-bacteria lambskin interior
  • Micro pocket in the leather loop at the back of the helmet holds useful information in an emergency.
  • Every helmet comes in a beautiful red Ruby box.
  • Immaculate attention to every detail

State-of-the-art engineering & safety

  • The outer shell is composed of carbon fibre (a heritage from the aviation and space industries, that provides a maximum of stability at lowest possible weight) and fibreglass layers.
  • Double density inner shell that optimizes safety and shock absorbency with built-in ventilation ducts Ultra light weight of between 870 grams & 1070 grams (depending on model and size)
  • For security reasons, all fixing elements are made of titanium and aluminum. Of course, this also implies a further weight reduction
  • DOT and ECE (22.05) certified

Superior Comfort

  • Double D-ring fastening guarantees perfect and comfortable adjustment
  • Three densities of foam padding create outstanding noise isolation characteristics while there is plenty of room for the ears by a special notch
  • Air channel in the wall of the helmet take out the heated air
  • Nappa leather with anti-bacteria lambskin interior makes wearing our helmets an incomparable experience.

Measuring Instructions

Measure the circumference of your head on the widest position (usually approximately 2.5 cm or 1 inch above the eyebrows), then compare with the table below. Note, that the helmet must fit firmly to ensure safety. The padding inside can be dented slightly on spots where the shape of your head requires it.


  Size X Small Small Medium Large X Large XX Large
  Cm 53-54 55-56 57-58 59-60 61-62 63-64
  Inches 21 1/4 21 5/8 21 3/8 23 1/8 23 1/2 24 1/4
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