SIMPSONSimpson. American helmet and riding wear brand. In the 1990s, it was also popular on muscle bikes such as the Z series and VMAX such as the GPZ900R. This is a uniquely designed helmet that is preferred and used in drag racing.
SIMPSONSimpson. American helmet and riding wear brand. In the 1990s, it was also popular on muscle bikes such as the Z series and VMAX such as the GPZ900R. This is a uniquely designed helmet that is preferred and used in drag racing.