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Ships within 48 hours · Estimated delivery Aug 23 - Aug 28
Quantum-X and Signet-X helmets
For use with stock exhaust systems
QuietCore 94 dB insert included
Specially designed 3-stepped baffle that is acoustically tuned to deliver a unique deep and throaty exhaust sound while providing maximum performance
This system comes standard with a quiet insert that reduces sound and creates back pressure to improve performance on this model
ALPINESTARS Supertech M8 Helmet - Echo - MIPS® - Black/Gray - Small 8302621-1146-SM Slotted Wide Blade Lever Set Quantum-X and Signet-X helmetsLightweight outer shell is constructed from technologically advanced composite materials for best fit Multiple density inner liner Fitted with E 2, latest generation of MIPS, integrated low friction layer designed to reduce rotational motion transferred to the brain from angled impacts to the head Visor attached to the helmet shell with patented system that will allow easy release in case of crash Adjustable top pad height (Alpinestar's patented A