Racing Optics XStack Laminated Tear Offs - Simpson Venator, Sparco WTX Vehicle_Polaris Ergonomics and mobility are handled

Ergonomics and mobility are handled by fully-floating shoulders for freedom of movement

but may contact the rotor-hat during use which can lead to brake failure

Includes a 3-ohm resistor (to help protect the alternator)

Includes all hardware to bolt onto an existing Longacre bracket

Racing Optics XStack Laminated Tear Offs - Simpson Venator, Sparco WTX Vehicle_Polaris Ergonomics and mobility are handledRacing Optics X Stack Laminated Tear Offs for Simpson Venator and Sparco WTX helmets features a 2 mil stack of 10 tear offs laminated together, installing as a one piece unit, that provides optically clear visibility, and minimal reflections. By optically laminating the 10 layer stack, all air is removed from between the layers, eliminating any reflections and fogging. The 10 layer stack has the same optical clarity as a single 2 mil. tear off! Sold