Sedici Sistema / Pro Mod Base Plates Replacement baseplate kit for Sedici Sistema II, Sistema 3 and Pro Mod helmets with fiberglass shells. Note : Not compatible with Sistema 3 Carbon and Pro Mod Carbon helmets. Features: Easy installation Left and ride sides included Compatible with standard fiberglass and injected chin bar models of these helmets Sedici Pro Mod Sedici Sistema 3 Sedici Sistema 3 Parlare Sedici Sistema II Sedici Sistema II Parlare Sedici Sistema II Carbon models