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The Alpinestars Supertech M8 Radium 2 helmet applies Alpinestars' extensive motorsports and motocross development experience to advanced rider protection. Its performance-focused shell profile features a distinctive sculpted design, while the shell sizing solution provides an appropriately sized shell for each helmet fit size to support an anatomical fit across a wide range of riders.
The helmet features a multi-density EPS polymer liner, Multi-directional Impact Protection System (MIPS), and a collarbone protection feature at the shell base. Its patented A-Head fitting system provides height and angle adjustment, and the unique patented visor release system is designed for added functionality.
Additional safety-oriented features include an Emergency Release System (ERS) and fitment for an Eject inflation system inside the crown of the shell. The Alpinestars Supertech M8 Radium 2 is offered in a black and white colorway and medium size.
Features:
- ECE/DOT: Designed to meet ECE and DOT requirements.
- Anatomical shell sizing: Available with four anatomical shell sizes.
- Multi-density EPS polymer liner: Provides the helmet's internal liner structure.
- A-Head fitting system: Patented system provides fitting height and angle adjustment.
- Visor release system: Features a unique patented visor release system.
- Collarbone protection: Shell base includes a collarbone protection feature.
- MIPS: Equipped with the Multi-directional Impact Protection System.
- Emergency Release System: Includes an Emergency Release System (ERS).
- Eject system fitment: Provides fitment for an Eject inflation system inside the crown of the shell.

