Arai Quantum ST

RRP £299.99


This helmet was discontinued but you may be able to find it for sale with the retailer links on this page.

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SHARP Rating: Arai Quantum ST

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Key Features: Arai Quantum ST

Double D-Ring
5 years

Videos: Arai Quantum ST

Description: Arai Quantum ST

The new Quantum ST represents the successor of the popular Quantum model. Targeted and developed for the large group of serious sport-touring riders who demand a perfect mix of touring comfort and performance. For those riders the new Quantum ST is the perfect companion. A new level of sport-touring performance was reached using the technology from our top of the line RX-7 GP race helmet of combination with a brand new outer shell. The updated ST shell provides considerably more space around the chin region throughout those long runs for even greater comfort and ventilation.

Another Arai innovation in advanced helmet development is FCS, the “Facial Contour Scheme” abbreviation FCS cheek pads deliver a built-in “spring” motion. That makes it easier to put the helmet on with less effort required. The cheek pad wraps under the jawbone and on the cheekbones instead of just on the sensitive cheek skin for FCS. Although the fit feels looser, FCS actually provides stable support over a wider area with minimal pressure offering superior stability and comfort. The new “Peel Away” pads offer thin surface pads which can be removed from the headliner as well as the top surface of booth cheek pads to achieve the best possible, personal fit and minimise the need to buy additional padding.

The updated Quantum ST provides new levels of touring comfort alongside the Dry Cool interior, robust ventilation system with dual intake, exhaust and side vents. The Pinlock anti fog insert lens, the Max Vision SAI visor and the Arai Emergency Release System are of course standard features.

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Specification : Arai Quantum ST


Retention System

Weight, g


Shell Material

Removable lining

Warranty, years


Drop down sun visor

Anti Fog Visor


Manufacturer Website

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