Maximized ventilation with 19 intakes and 5 exhaust ports. Adjustable top pad height (Alpinestars patented A-Head system). 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. Lightweight outer shell is constructed from technologically advanced composite materials for best fit. Visor attached to the helmet shell with patented system that will allow easy release in case of crash. Multiple density inner liner. Emergency release and removable cheek pads, 3D contoured foam. Side shell shape coupled with soft EPP foam prevents damage to collarbone in event of crash. Hydration prepared. Removable comfort liner, anti-moisture and anti-bacterial fabrics.
Maximized ventilation with 19 intakes and 5 exhaust ports. Adjustable top pad height (Alpinestars patented A-Head system). 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. Lightweight outer shell is constructed from technologically advanced composite materials for best fit. Visor attached to the helmet shell with patented system that will allow easy release in case of crash. Multiple density inner liner. Emergency release and removable cheek pads, 3D contoured foam. Side shell shape coupled with soft EPP foam prevents damage to collarbone in event of crash. Hydration prepared. Removable comfort liner, anti-moisture and anti-bacterial fabrics.
in 1 offers
The lowest price for Alpinestars S-M8 Radium 2 Helmet Black Neon Black/Neon Red XL right now is $499.95 at AMA Warehouse.
The all-time low was $499.95 on 1 Oct 2025. That's the lowest price we've ever tracked — a great time to buy.
Prices last updated 1 Nov 2026.
Alpinestars S-M8 Radium 2 Helmet Black Neon Black/Neon Red XL
Maximized ventilation with 19 intakes and 5 exhaust ports. Adjustable top pad height (Alpinestars patented A-Head system). 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. Lightweight outer shell is constructed from technologically advanced composite materials for best fit. Visor attached to the helmet shell with patented system that will allow easy release in case of crash. Multiple density inner liner. Emergency release and removable cheek pads, 3D contoured foam. Side shell shape coupled with soft EPP foam prevents damage to collarbone in event of crash. Hydration prepared. Removable comfort liner, anti-moisture and anti-bacterial fabrics.
Maximized ventilation with 19 intakes and 5 exhaust ports. Adjustable top pad height (Alpinestars patented A-Head system). 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. Lightweight outer shell is constructed from technologically advanced composite materials for best fit. Visor attached to the helmet shell with patented system that will allow easy release in case of crash. Multiple density inner liner. Emergency release and removable cheek pads, 3D contoured foam. Side shell shape coupled with soft EPP foam prevents damage to collarbone in event of crash. Hydration prepared. Removable comfort liner, anti-moisture and anti-bacterial fabrics.
Last updated at 01/11/2026 23:45:11
Alpinestars - S-M8 Radium Black/Red Helmet XL / BLKRD
Free delivery between 5–12 Nov
| Product Dimensions | |
| Length | 17.2 in |
| Height | 12.7 in |
| Width | 11.4 in |
| Product Weight |
Alpinestars - S-M8 Radium Black/Red Helmet XL / BLKRD
Free delivery between 5–12 Nov
| Product Dimensions | |
| Length | 17.2 in |
| Height | 12.7 in |
| Width | 11.4 in |
| Product Weight |
