Alpinestars Supertech M5 Beam MX Helmet Size:L while adjustable ventilation systems allow

while adjustable ventilation systems allow for temperature control

130/70VR18

impacts are just part of the equation when pushing the limits

Multipoint Bluetooth for dual mobile phone HD Quality crystal-clear and natural sound Intuitive voice prompts and commands

Vented panels and 3D mesh material give comfort to the rider

Alpinestars Supertech M5 Beam MX Helmet Size:L while adjustable ventilation systems allowFEATURES Lightweight outer shell is constructed from a technologically advanced impact resistant thermoplastic in two sizes. The inner and outer surfaces are engineered to minimize the effects of oblique impacts. Multiple density inner liner to ensure the correct density in the correct area for enhanced impact absorption Patented visor release system ensures the visor is released with the correct pre determined amount of force, irrespective of the