Male screw: M10/125 (right-hand thread) Female screw: M8/125 (left-hand thread)

Design that works

Specially designed zones carry perfect moisture and provide thermal comfort during cold days

keeping the head cool and comfortable while riding

Thatcharm Vehicle Security and Secured by Design (SBD) - A police approved security standard to reduce theft risk

CYLINDER WORKS CYLINDER BIG BORE KIT 11007-K01 Hyper Helmet Cheekpads Male screw: M10/125 (right-hand thread)Cylinder Kit Includes Matching Vertex Pistons to Ensure Longevity, Performance and Reduced Engine Noise, Cylinder has a Nickel Silicon Carbide Cylinder Sleeve, Look Virtually identical to oem cylinders, Kit includs cylinder, pistons, pistons, pistons; Cylinder does not require demand Machine Work (Unless Noted).