ARAI Quantum-X Helmet - Diamond Black - Small 0101-15719 Regent-X Rock Helmet Odor resistant liner material resists

Odor resistant liner material resists build-up of bacteria and allows helmet to stay fresher for longer

which protects and allows for smooth sliding on the pavement

smooth and strong shell needed to manage impact energy and maximize the helmet's glancing off ability

Variable Axis System (VAS) shield mechanism was developed to enhance the shape of the shell

Only fits Acerbis Tanks

ARAI Quantum-X Helmet - Diamond Black - Small 0101-15719 Regent-X Rock Helmet Odor resistant liner material resistsRound oval shape, achieved by using an interior head liner that combines thicker front and rear pads with thinner side pads, is designed for riders whos heads are slightly wider rather than elongated Improved Glance Off Ability Variable Axis System (VAS) shield system lowers the pivot point by an average of 24 mm, making the shell surface area in the critical temple area much smoother and better able to reduce impact energy getting into the helmet