A running gear unit, in particular for a rail vehicle, comprising - a wheel unit (105; 205; 305), and - a first torsional vibration reduction mass unit comprising a first torsional vibration reduction mass (108.1) formed by a first brake disc (108.1); - said wheel unit (105; 205; 305) comprising a wheel unit shaft (105.1) and at least one wheel (105.2), - said wheel unit shaft (105.1) defining an axis of rotation (105.3), said axis of rotation (105.3) defining an axial direction and a radial direction of said wheel unit (105; 205; 305) as well as a torsional direction about said axis of rotation (105.3); - said wheel (105.2) being coupled to said wheel unit shaft (105.1) and being configured to run on a track; - said first brake disc (108.1) being coupled to said wheel (105.2) in a torsionally compliant manner about said axis of rotation (105.3); - said first torsional vibration reduction mass (108.1) being configured to oscillate about said axis of rotation (105.3) in counter-phase with respect to said wheel (105.2) to reduce torsional vibration of said wheel unit (105; 205; 305); - said first torsional vibration reduction mass unit defining a first reduction resonant frequency of said counter-phase oscillation of said first torsional vibration reduction mass (108.1); characterized in that - an intermediate element in the form of an intermediate sheet element is located between said first brake disc (108.1) and said wheel (105.2) at a contact location between said first brake disc (108.1) and said wheel (105.2), wherein - said intermediate element forms part of a damping link between said first brake disc (108.1) and said wheel (105.2) and comprises at least one contact surface defining a frictional damping characteristic of said damping link. - a wheel unit (105; 205; 305), and - a first torsional vibration reduction mass unit comprising a first torsional vibration reduction mass (108.1) formed by a first brake disc (108.1); - said wheel unit (105; 205; 305) comprising a wheel unit shaft (105.1) and at least one wheel (105.2), - said wheel unit shaft (105.1) defining an axis of rotation (105.3), said axis of rotation (105.3) defining an axial direction and a radial direction of said wheel unit (105; 205; 305) as well as a torsional direction about said axis of rotation (105.3); - said wheel (105.2) being coupled to said wheel unit shaft (105.1) and being configured to run on a track; - said first brake disc (108.1) being coupled to said wheel (105.2) in a torsionally compliant manner about said axis of rotation (105.3); - said first torsional vibration reduction mass (108.1) being configured to oscillate about said axis of rotation (105.3) in counter-phase with respect to said wheel (105.2) to reduce torsional vibration of said wheel unit (105; 205; 305); - said first torsional vibration reduction mass unit defining a first reduction resonant frequency of said counter-phase oscillation of said first torsional vibration reduction mass (108.1); - an intermediate element in the form of an intermediate sheet element is located between said first brake disc (108.1) and said wheel (105.2) at a contact location between said first brake disc (108.1) and said wheel (105.2), wherein - said intermediate element forms part of a damping link between said first brake disc (108.1) and said wheel (105.2) and comprises at least one contact surface defining a frictional damping characteristic of said damping link.