An input shaft being configured into spline engagement with an input wheel wherein the input wheel slides axially along the input shaft; an output shaft into engagement with the input shaft, and wherein an output wheel is configured to slide axially along said output shaft; a variator wheel being configured to drive the input wheel or output wheel without direct contact; a traction fluid to enable the variator wheel to drive at least one of the input wheel and output wheel without direct contact; a toroidal cavity for containing the traction fluid and form an enveloping toroidal cavity when the input wheel and output wheel are aligned together; and an actuator tier controlling the axial sliding of the input and output wheel on their respective splined shafts.