Arai Signet-Q Racer Helmet :: MotorcycleGear.com

Arai Signet-Q Racer Helmet

  • Slightly longer front to back length than RX-Q for true “Long Oval” fit; elongated shell adds 5mm from front to back
  • Long-Oval shape helps prevent “Hot-Spot”
  • Both the top vent set and side exhaust cowls are direct carryovers from the RX-Q
  • Brow vent ducting redirects to flow air across the temples
  • DDL-4 exhaust vent to the 10mm wider eye port (5mm on each side)
  • SAI Max-Vision “Brow Vent” shield
  • Clear Pinlock Max-Vision Brow Vent anti-fog lens included with the helmet
  • Multi-density single piece EPS liner
  • Removable, replaceable, washable interior
  • Dry-Cool Surface material for rapid displacement of heat and moisture away from your head and into the ventilation airflow for added comfort while riding and a quick dry between rides
  • 5mm peel-away temple pads adds another level of customization, giving the helmet interior a little extra width when needed
  • Enhanced for customizable micro fitment interior without the need to purchase extra interior components
  • New FCS (Facial Contour Support) cheek pad design
  • Innovative and exclusive spring support adds just the right amount of pressure when needed while being worn
  • Meets or exceeds Snell and D.O.T. standards

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Sizing Information

Size Head (inches) Head (cm)
XS 20 7/8 – 21 1/4 53-54cm
Small 21 5/8 – 22 55-56cm
Medium 22 1/2 – 22 7/8 57-58cm
Large 23 1/4 – 23 5/8 59-60cm
XL 24 – 24 3/8 61-62cm
XXL 24 3/4 – 25 1/8 63-64cm


This chart is just a starting point for determining the correct size Arai for you. For an in-depth look at Arai helmet sizing, click here

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