Helmet Alpinestars SM5 Matte Black

Enhance your riding experience with the Alpinestars SM5 helmet.

Specifications:

• Collarbone protection and visor release: a raised, padded area effectively reduces forces transmitted to the collarbone, while a patented visor release system ensures it detaches with the correct predefined force, regardless of the angle of impact.
• Revised lower shell: the lower shell volume in sizes M, L, XL, and 2XL has been expanded by approximately 3% to facilitate putting on and removing the helmet; this increased volume has also improved impact management, now sitting 44% below the normal speed threshold.
• ECE 22.06 Approval: For the new ECE 22.06 standard, the SM5 achieves a normal-speed impact rating 44% better than the current figure of 33%, as well as a linear impact score 32% better at low speed and 31% better at high speed compared to the current standard.
• Multi-density inner liner: ensures the proper density in each area to improve impact absorption.
• Redesigned chin bar profile: the base area has been specifically sculpted to create a raised relief section that releases the collarbone, with a new, softer EPS liner extending beyond the helmet shell itself and covered by a more flexible rubber compound, reducing the likelihood of collarbone injuries.
• Ventilation system: maximizes ventilation and offers a high level of thermal exchange thanks to multiple air intakes and exhaust ports.
• Optimized weight: the ECE version of the SM5 helmet weighs 1,350 grams in size medium, and 1,420 grams in the ECE DOT version with visor.
• Visor design: developed to channel air toward the ports and improve airflow.
• Available versions: the SM5 is available in 2 versions: ECE R 22.06 and ECE R 22.06/DOT.
• The internal and external surfaces are designed to minimize the effects of oblique impacts. To help combat and mitigate those rotational impact forces, Alpinestars has developed proprietary technology by creating a low-friction surface on the inside of the EPS liner. For the ECE 22.06 standard, which now includes rotational oblique impact rating, the SM5 sits 70% below the new regulation.
• The patented visor release system ensures the visor releases with the correct amount of predetermined force, regardless of the angle of impact.
• The lightweight outer shell is constructed from a technologically advanced impact-resistant thermoplastic in three anatomically engineered shell sizes, plus three individual EPS liner sizes with a combination of inner liner and cheek pads to offer 6 unique sizes and ensure the best fit and protection.