The side shell pair with soft EPS foam prevents collarbone injury in the event of an accident. Thanks to the emergency release system and removable cheek pads, the cheek pads can be easily and safely removed while the helmet is still on, while the 3D profile foam ensures the rider's comfort. The channels for the drinking tube are integrated into the helmet padding to enhance convenience and performance. The removable comfort lining is made from Silverplus treated antibacterial fabrics for excellent moisture management, effectively keeping sweat away from the skin. The antimicrobial lining is removable and washable. The chin strap made of soft textile is 26 mm wider than certification requirements to ensure optimal safety and comfort. The stainless steel D-rings provide a snug and secure fit. The lightweight outer shell is made from a technologically advanced, impact-resistant thermoplastic and is available in two sizes. The inner and outer surfaces are designed to minimize the effects of oblique impacts. The multi-density inner lining provides the right density in the right areas, resulting in better shock absorption. The patented visor release system ensures that the visor is released with a predetermined force regardless of the impact angle. Maximum ventilation and high heat exchange are achieved through multiple air inlets and exhaust openings. The visor is designed to direct air to the openings to improve air circulation. The Medium size weighs 1260 g (ECE) and 1370 g (DOT). The SM5 helmet meets both DOT and ECE certification for worldwide use.
The side shell pair with soft EPS foam prevents collarbone injury in the event of an accident. Thanks to the emergency release system and removable cheek pads, the cheek pads can be easily and safely removed while the helmet is still on, while the 3D profile foam ensures the rider's comfort. The channels for the drinking tube are integrated into the helmet padding to enhance convenience and performance. The removable comfort lining is made from Silverplus treated antibacterial fabrics for excellent moisture management, effectively keeping sweat away from the skin. The antimicrobial lining is removable and washable. The chin strap made of soft textile is 26 mm wider than certification requirements to ensure optimal safety and comfort. The stainless steel D-rings provide a snug and secure fit. The lightweight outer shell is made from a technologically advanced, impact-resistant thermoplastic and is available in two sizes. The inner and outer surfaces are designed to minimize the effects of oblique impacts. The multi-density inner lining provides the right density in the right areas, resulting in better shock absorption. The patented visor release system ensures that the visor is released with a predetermined force regardless of the impact angle. Maximum ventilation and high heat exchange are achieved through multiple air inlets and exhaust openings. The visor is designed to direct air to the openings to improve air circulation. The Medium size weighs 1260 g (ECE) and 1370 g (DOT). The SM5 helmet meets both DOT and ECE certification for worldwide use.
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The lowest price for Alpinestars 2021 SM-5 Matte Black Helmet | Motorcycle Accessories Supermarket right now is .
Alpinestars 2021 SM-5 Matte Black Helmet | Motorcycle Accessories Supermarket
The side shell pair with soft EPS foam prevents collarbone injury in the event of an accident. Thanks to the emergency release system and removable cheek pads, the cheek pads can be easily and safely removed while the helmet is still on, while the 3D profile foam ensures the rider's comfort. The channels for the drinking tube are integrated into the helmet padding to enhance convenience and performance. The removable comfort lining is made from Silverplus treated antibacterial fabrics for excellent moisture management, effectively keeping sweat away from the skin. The antimicrobial lining is removable and washable. The chin strap made of soft textile is 26 mm wider than certification requirements to ensure optimal safety and comfort. The stainless steel D-rings provide a snug and secure fit. The lightweight outer shell is made from a technologically advanced, impact-resistant thermoplastic and is available in two sizes. The inner and outer surfaces are designed to minimize the effects of oblique impacts. The multi-density inner lining provides the right density in the right areas, resulting in better shock absorption. The patented visor release system ensures that the visor is released with a predetermined force regardless of the impact angle. Maximum ventilation and high heat exchange are achieved through multiple air inlets and exhaust openings. The visor is designed to direct air to the openings to improve air circulation. The Medium size weighs 1260 g (ECE) and 1370 g (DOT). The SM5 helmet meets both DOT and ECE certification for worldwide use.
The side shell pair with soft EPS foam prevents collarbone injury in the event of an accident. Thanks to the emergency release system and removable cheek pads, the cheek pads can be easily and safely removed while the helmet is still on, while the 3D profile foam ensures the rider's comfort. The channels for the drinking tube are integrated into the helmet padding to enhance convenience and performance. The removable comfort lining is made from Silverplus treated antibacterial fabrics for excellent moisture management, effectively keeping sweat away from the skin. The antimicrobial lining is removable and washable. The chin strap made of soft textile is 26 mm wider than certification requirements to ensure optimal safety and comfort. The stainless steel D-rings provide a snug and secure fit. The lightweight outer shell is made from a technologically advanced, impact-resistant thermoplastic and is available in two sizes. The inner and outer surfaces are designed to minimize the effects of oblique impacts. The multi-density inner lining provides the right density in the right areas, resulting in better shock absorption. The patented visor release system ensures that the visor is released with a predetermined force regardless of the impact angle. Maximum ventilation and high heat exchange are achieved through multiple air inlets and exhaust openings. The visor is designed to direct air to the openings to improve air circulation. The Medium size weighs 1260 g (ECE) and 1370 g (DOT). The SM5 helmet meets both DOT and ECE certification for worldwide use.
The all-time low was $342.85 on 10 Mar 2026 — today's price is 1% above the lowest ever. This is at or near its all-time low — a good time to buy.
Prices last updated 13 Mar 2026.
Last updated at 13/03/2026 00:36:40
Alpinestars S-M5 Matte Offroad Helmet - Black Matte - Black / Medium
Alpinestars S-M5 Matte Offroad Helmet - Black Matte - Black / Medium
