Platform for mounting of a ski binding onto a ski or snowboard, wherein such platform is suitable for attachment onto a top surface of each disposable ski or snowboard, which is faced away from the ground, wherein said platform consists of a front bearing plate and a rear bearing plate, so that said front bearing plate is adapted to receive a front part of a ski binding for attachment of a ski shoe onto said ski or snowboard, and said rear bearing plate is analogously adapted to receive a rear part of a ski binding for attachment of a ski shoe onto said ski or snowboard, and wherein each of said bearing plates (1, 2) is furnished with a central area (10, 20), an outer terminal area (11, 21) as well as an inner terminal area (12, 22), wherein said inner terminal areas (12, 22) are arranged at smaller distance apart of each other, while the outer terminal areas (11, 21) are arranged at larger distance apart from each other, and wherein at least one connecting member (13, 23) is pivoting around a transversal axis (130, 230) linked to each of said bearing plates (1, 2) in the outer terminal area (11, 21) thereof, and is optionally in the area of at least one bore (131, 231) attachable to the top surface of the ski or snowboard, characterized in that a pivot lever, which is pivotable around the transversal axis, is pivotally attached to the central area of said front bearing plate and is on its end portion furnished with an outer eye and an inner eye, and that analogously a pivot lever, which is rotatable around the transversal axis, is pivotally attached to the central area of said rear bearing plate and is on its end portion furnished with an outer eye and an inner eye, wherein said front pivot lever is by means of its outer eye pivotally connected to the front bearing plate, while said rear pivot lever is by means of its outer eye pivotally connected to the rear bearing plate, and wherein a front connecting member, which is attachable to the top surface of the ski or snowboard, is by means of its outer eye pivotally connected to the inner eye of the front pivot lever, while the rear connecting member, which is attachable to the top surface of the ski or snowboard, is by means of its outer eye pivotally connected to the inner eye of the rear pivot lever, and wherein said platform is furthermore furnished with an intermediate connecting member, which comprises a front eye, which is arranged on the side of the front connecting member, as well as a rear eye, which is arranged on the side of the rear connecting member, so that said front eye of the intermediate connecting member is pivotally connected to the inner eye of the front connecting member and said rear eye of the intermediate connecting member is pivotally connected to the inner eye of the rear connecting member, and wherein said pivotal connection of the outer eye of the front pivot lever with the front bearing plate enables pivoting around said transversal axis and said pivotal connection of the outer eye of the rear pivot lever with the rear bearing plate enables pivoting around said transversal axis, while on the other hand the pivotal connection between said inner eye of the front pivot lever and the outer eye of the front connecting member enables pivoting around a transversal axis and the pivotal connection between said inner eye of the rear pivot lever and the outer eye of the rear connecting member enables pivoting around a transversal axis, wherein said transversal axis (140, 240) are arranged at a distance apart from the bottom surface (1', 2') of the front bearing plate, or the rear bearing plate respectively, which is enlarged for a predetermined distance (Δ), and consequently, the front and rear connecting member (15, 25) are on the front and rear pivot lever (14, 24) embedded eccentrically with regard to embedding of each pivot lever (14, 24) on the front and rear bearing plate (1, 2), and wherein said front and rear bearing plate (1, 2) are arranged in mutual alignment at certain distance apart from each other, and are moreover pushed apart from each other by means of at least one spring (17, 17'), which is embedded within corresponding guides (18, 28; 180, 28') on the front and rear bearing plate (1, 2).