Internal airflow geometry

ergonomically designed articulated Comfortect Armor at the knee and hip for rider protection

Harley-Davidson XLH900 1959-1971

Extra Mile Zipper Fly

Alpinestars Supertech M10 Jett Lawrence R01 Adult Off-Road Helmets Harley-Davidson FLHTKSE CVO Limited 2018 Parts Internal airflow geometryAlpinestars Supertech M10 Jett Lawrence R01 Adult Off Road Helmets The S M10s design offers a smooth, attractive, aerodynamic profile which is streamlined and free of any external channels and features that might act as a load point in an impact or compromise the overall integrity of the helmets construction The surface curvature promotes reduced friction on impact, allowing deflection and the most efficient transfer of energy to protect the riders