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Arai Signet-Q Hydra Helmet
The Arai Signet-Q (the long-oval shaped cousin to the RX-Q) is the product of a racing lineage going back to the late 1970’s. Since Arai’s inception, their RX Line of helmets has set an international standard for rider comfort and safety. The Signet-Q is perfection incarnate, blending modern materials and safety features with decades of knowledge and racing heritage. The result are features like an eyeport designed to maximize peripheral vision, an aerodynamically tuned outer shell and a beautifully crafted and ultra comfortable liner. All these features, combined with industry-leading protection, provide riders with an unmatched level of safety and comfort.
A longer shell shape on the Arai Signet-Q Helmet gives 5mm more space front to back allowing for a larger number of heads to fit comfortably. The shape of the Arai Signet-Q Helmet releases forehead pressures and eliminate hot spots for a more comfortable fit every time. This shape works best for riders with a long oval headshape.
Have a functionality, fit, or otherwise product-specific question about the Arai Signet-Q Hydra Helmet? Ask it here! If you have a customer service or shipping question, please direct it to our Customer Service department.
Wrap a cloth measuring tape around your head just above your eyebrows. Pull the tape comfortably snug, and read the length.
|Size||Head (in)||Head (cm)|
|2XS||20 - 20 1/2||51 - 52|
|XS||20 7/8 - 21 1/4||53 - 54|
|SM||21 5/8 - 22||55 - 56|
|MD||22 1/2 - 22 7/8||57 - 58|
|LG||23 1/4 - 23 5/8||59 - 60|
|XL||24 - 24 3/8||61 - 62|
|2XL||24 3/4 - 25 1/8||63 - 64|
|3XL||25 1/2 - 26||65 - 66|
Sizing information is provided by the manufacturer and does not guarantee a perfect fit.Click here to see the full Arai Helmets Size Chart
|Product Style||RevZilla Item #||Manufacturer Product #||Availability|
|Black / XS||940669||816500||In Stock: Usually ships in 1-2 business days|
|Black / SM||940670||816501||In Stock: Ships next business day|
|Black / MD||940671||816502||In Stock: Ships next business day|
|Black / LG||940672||816503||In Stock: Usually ships in 1-2 business days|
|Black / XL||940673||816504||In Stock: Usually ships in 1-2 business days|
|Black / 2XL||940674||816505||In Stock: Usually ships in 1-2 business days|