Alpinestars M8/M10 Rear Vent Motorcycle Helmet ReplacementsAlpinestars M8 M10 Rear Vent Motorcycle Helmet Replacements Alpinestars MX offers helmet accessories for your motocross helmet to keep it in peak condition. From replacement chin vents to helmet vent frames, visor connector sets and more, Alpinestars' wants to make your next ride, your best ride! Order the helmet accessories that are suited to your needs.

Anatomical Ribbed Texture: Acts as the of hand relief

providing first responders with the data needed to make life-saving decisions in the critical minutes after an accident

A sturdy staple

Industry leading UltraMax® fabric with maximum UV protection

Durable construction: Strategic leather zones enhance slide protection

Suitable for a wide range of riding disciplines

over any distance

Available in multiple lengths

Torque Spec: 12 Nm max

Chain: Includes the necessary GX Eagle Transmission Flattop chain

Features a professional clutch style freecoaster hub for effortless fakie transitions and technical lines

The BOA Li2 dial allows precise tension adjustment