Spada SP17 Motorcycle Helmet Pinlock Insert If you're fed up of having a steamed up visor, you're not alone! Tackle the problem head on with the Spada SP17 motorcycle helmet Pinlock visor insert. The anti-fog insert is compatible with the superb Spada SP17 helmet and all of its designs and colourways. Designed to actively combat your motorcycle helmet visor from steaming up and allow the rider maximum visibility and safety. Simple to apply. Pinlock Insert Compatibility: Spada SP17 Plain motorcycle helmet. Spada SP17 Ruler motorcycle helmet. *Helmet visors are available separately. Do not allow the insert to get wet, even after application as this will reduce the performance of the insert.