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Shop / alpinestars helmet

Alpinestars 2023 Supertech M8 Radium 2 Men's Motorcycle Helmet - Bright Red/White Glossy / Large

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$ 321.18   $224.83   save 30%
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The Alpinestars S-M8 helmet's design is coherent with the brand's philosophy, sharing distinctive themes with other products in their portfolio. The helmet's smooth, attractive, and streamlined profile is free of any external channels or features, maintaining the overall integrity of the construction. The shell construction utilizes a highly advanced molding technology with a multi-composite combination:

3K Carbon, a high-density carbon outer layer that improves strength and the efficiency of energy dissipation over the shell, and a uni-directional carbon composite layer that provides significantly greater radial strength around the shell. This prevents compression while allowing controlled deflection, reducing the transmitted impact energy.

The S-M8 shell has been profiled with performance as a priority, with a design style that uniquely identifies the helmet's profile and sculpted surface as "Alpinestars." The helmet is DOT approved and meets the FMVSS 218 standard.

Another key feature is the S-M8 shell sizing solution, where each helmet fit size has its own appropriate shell size to deliver the most anatomical solution for the wide variety of fit needs worldwide. This combination of layers is given even greater performance with an epoxy resin bonding that offers the best possible strength and energy management. The limited outer shell deflection means the energy spreads wider and is better absorbed by the EPS liner.

The unique shell lay-up process employed in the S-M8 construction results in extremely effective impact protection. With a fully equipped helmet testing facility within the Alpinestars Racing Development Center, an exhaustive impact research program has resulted in the Supertech M8 returning linear and oblique impact performance that far improves upon current helmet regulation standard limits. For direct, linear, impact, the improvement is by an average of 41%, and for rotational acceleration, oblique, impact performance, the improvement is by an average of 48%.

product information:

AttributeValue
certificate_typeDOT
shell_typeHard
specification_metDOT
shapeAerodynamic
manufacturerAlpinestars
item_package_dimensions_l_x_w_x_h17.1 x 12.4 x 11.8 inches
package_weight2.43 Kilograms
brand_nameAlpinestars
model_name2023 Supertech M8 Radium 2
suggested_usersmens
part_number8301523-3012-LG
styleModern
included_componentsHelmet Shield, Helmet, Manual, Helmet Bag
sizeLarge
best_sellers_rank#2,285,772 in Automotive (See Top 100 in Automotive)
#6,171 in Motorcycle & Powersports Helmets
date_first_availableNovember 3, 2022
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