The color(s) black, orange and white is/are claimed as a feature of the mark.
The mark consists of Black rectangle with an orange color scheme accompanying the inner perimeter of the black rectangle inside which, on the left side, is arranged to a shape shaped like a shield and inside which is inserted the design ? and underneath it, the word SIGMA in capital letters, in the remaining inner area of the area delimited by the orange pattern is written in capital letters, stylized and orange in color, the word SIGMA, underneath it the expression BRAKE SYSTEM in white capital letters and to the right of the letter "M" of the word SYSTEM, an orange colored rectangle with the design of a disc of brakes, this one in white color.