Pinlock Anti Fog Shield for RPHA 91Pinlock 120 HJC RPHA 91 DKS 465 The Pinlock 120 is our premium fog resistant solution for riders. Enhanced with stronger fog resistant properties, the insert lens has extended fog resistant endurance which helps riders see better through challenging weather conditions. The Pinlock 70 creates a double shield system through a silicon seal between the helmet face shield and Pinlock insert lens, which makes up a double glass type of solution that prevents