Pinlock 70 fits the following models: TT REVO R2R NZ Race NF-R The 100% Max Vision Pinlock 70 fog resistant insert lens is our premium solution for KYT helmets. This lens has become the benchmark for fog resistant performance that is most commonly used by riders across the world. The insert is made of a moisture absorbing plastic and, therefore the surface basically dry when used. The insert has a silicone seal that creates a double shield system.