SMK Helmets - Visor - Front Clear Transparent Pinlock 30 Ready Visor for Twister and Glide Helmet (Standard Size Fits All Size Helmets - Comes without the 'size 30' Pinlock Insert) :
How to Install Pinlock®30 on SMK Full Face Helmets - YouTube
ILM Anti-fog Visors (Pinlock 30) - Amazon.com
Get SMK Stellar Helmet visor online @Store4Riders.com