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 ; - 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) in a torsionally rigid manner about said axis of rotation (105.3) and being configured to run on a track; - said first torsional vibration reduction mass unit comprising a first torsional vibration reduction mass (108.1) coupled to said wheel unit (105; 205; 305) in a torsionally compliant manner about said axis of rotation (105.3) via at least one torsional linking arrangement (112, 113; 212, 213; 312, 313); - said torsional linking arrangement (112, 113; 212, 213; 312, 313) being compliant in said circumferential direction and comprising a first support element (112.1; 212.1; 312.1), a second support element (112.2), and a first spring element (112.4; 212.4; 312.4); - said first spring element (112.4; 212.4; 312.4) being arranged and acting kinematically in series between said first support element (112.1; 212.1; 312.1) and said second support element (112.2) to provide said compliance of said linking arrangement (112, 113; 212, 213; 312, 313) at least in a first torsional direction along said circumferential direction, characterized in that , - part of said first spring element (112.4; 212.4; 312.4) contacts said first support element (112.1; 212.1; 312.1) while, at least in a neutral state, a gap (G) is formed between part of said first spring element (112.4; 212.4; 312.4) and said first support element (112.1; 212.1; 312.1) to provide said compliance in said first torsional direction. - a wheel unit (105; 205; 305) and - a first torsional vibration reduction mass unit ; - 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) in a torsionally rigid manner about said axis of rotation (105.3) and being configured to run on a track; - said first torsional vibration reduction mass unit comprising a first torsional vibration reduction mass (108.1) coupled to said wheel unit (105; 205; 305) in a torsionally compliant manner about said axis of rotation (105.3) via at least one torsional linking arrangement (112, 113; 212, 213; 312, 313); - said torsional linking arrangement (112, 113; 212, 213; 312, 313) being compliant in said circumferential direction and comprising a first support element (112.1; 212.1; 312.1), a second support element (112.2), and a first spring element (112.4; 212.4; 312.4); - said first spring element (112.4; 212.4; 312.4) being arranged and acting kinematically in series between said first support element (112.1; 212.1; 312.1) and said second support element (112.2) to provide said compliance of said linking arrangement (112, 113; 212, 213; 312, 313) at least in a first torsional direction along said circumferential direction, characterized in that , - part of said first spring element (112.4; 212.4; 312.4) contacts said first support element (112.1; 212.1; 312.1) while, at least in a neutral state, a gap (G) is formed between part of said first spring element (112.4; 212.4; 312.4) and said first support element (112.1; 212.1; 312.1) to provide said compliance in said first torsional direction. <EOS>