Arai Quantum-X Helmet Color:Aluminum Silver and a removable elastic kidney

and a removable elastic kidney belt

Formula 1 and more

With the new Rock jacket

While it may stick to certain tanks it's not recommended you trust your mobile device or GPS unit to it

While the silicone fingertips provide Spiderman-like grip at the levers

Arai Quantum-X Helmet Color:Aluminum Silver and a removable elastic kidneyPurpose built for the street. A new benchmark in comfort, quiet, stability and ventilation. Arai applied the same tireless 24 7 focus devoted to our race helmets to designing it, refining and adapting proven concepts to a new purpose. On the rounder end of the head shape spectrum, the Quantum series has always been the "go to" helmet of choice. The new Quantum X brings that shape back in a feature rich package. There are a few design details that Arai