Positioning device for positioning the saddle of a bicycle

A positioning device for positioning the saddle of a bicycle, the saddle having a front part and a rear part, the positioning device comprising:

• a measuring pole having a first end and a second end,
• an adapter positioned at or near the first end of the measuring pole for coupling the first end of the measuring pole to the pedal crankshaft of the bicycle,
• a measuring device positioned on the measuring pole for determining the distance between a pedal crankshaft of the bicycle and the saddle,
• a positioning assembly coupled to the measuring pole and moveable along a length of the measuring pole, the positioning assembly comprising a base that includes a main plate, the base coupled to the measuring pole via an articulation assembly that permits the base and main plate to rotate with respect to the measuring pole, the main plate configured to be supported on the saddle, the base having a front stop arranged for abutting the front part of the saddle;
• and
• a structure that rotates with the base, the structure adapted to support or house an angle of inclination measuring device.