Valve Stem Seals
The track focused RPHA 11 offers great venting and field of view. It includes both clear and dark face shields complete with a pinlock lens.
The HJC RPHA 11 builds upon the hugely successful RPHA 10+, creating an even more finely tuned helmet for sport and track-day enthusiasts. A more aerodynamically refined shell, improved rear spoiler design, ACS "Advanced Channelling Ventilation System", an added forehead vent, greater field of view, a redesigned face shield gasket system and both clear and smoke tinted optically-superior Pinlock-ready 2D flat-racing shields round out the features of this helmet.