reference in their entirety such a cvt adapted herein as described throughout this specification includes a number of balls planets spheres 1 depending on the application two ring disc assemblies with a conical surface in contact with the balls an input traction ring 2 an output traction ring 3 and an idler sun assembly 4 as shown on fig1 the balls are mounted on tiltable axles 5 themselves held in a carrier stator cage assembly having a first carrier member 6 operably coupled to a second carrier member 7 the first carrier member 6 rotates with respect to the second carrier member 7 and vice versa in some embodiments the first carrier member 6 is fixed from rotation while the second carrier member 7 is configured to rotate with respect to the first carrier member and vice versa in one embodiment the first carrier member 6 is provided with a number of radial guide slots 8 the second carrier member 7 is provided with a number of radially offset guide slots 9 as illustrated in fig2 the radial guide slots 8 and the radially offset guide slots 9 are adapted to guide the tiltable axles 5 the axles 5 are adjusted to achieve a desired ratio of input speed to output speed during operation of the cvt in some embodiments adjustment of the axles 5 involves control of the position of the first and second carrier members to impart a tilting of the axles.