A piece of gym equipment, particularly for training for the execution of exercises to be performed on the high bar, comprising a tubular element, which is adapted to be supported, so that it can rotate about its own axis, by a supporting frame so that it is parallel to the ground, a carriage being able to slide vertically with respect to the tubular element and being rigidly coupled thereto, in order to oscillate with the tubular element about its axis, the carriage having a seat to allow seating of an athlete, counterweight elements being provided in order to contrast a downward motion of the carriage away from the tubular element and to facilitate an upward movement of the carriage toward the tubular element.