Abstract: A device for the adjustment of the axis of the footrest in motorcycles is described, which device comprises a pair of movable discs (2,2'). The position of the discs is fixed with respect to plate (3) fixed in the frame of the motorcycle, after the position of the footrest is adjusted within the scope of a circumference which has as center the center of the discs and as radius, the eccentricity of the footrest (1) with respect to the same center, as shown in FIG. 1.