Genuine Nitro motorbike helmet visors to fit the following Nitro & Takachi motorbike helmets;
Any motorbike helmet with WS10 stamped on the motorbike helmet visor top corner, including;

Nitro; N317V, N350V, N510V, N500V, N600V, N610V, N800V, N900V and N1000V.

Takachi; TK-100, TK-30, TK-40, TK-80, TK-90.