A bogie (1, 1*, 1**) for a rail vehicle comprising at least two wheelsets mounted in axle bearings and at least one frame , wherein each of the two axle bearings of a wheelset is connected in an articulated manner to the frame by means of an axle guide , including at least two torsion spring systems which are arranged parallel to the axles of the wheelsets and which each include at least one portion in which they are connected to the frame in a rotationally fixed manner, each torsion spring system including two spring lever arms such that the end portion, not connected to the torsion spring system , of a spring lever arm acts on the axle bearing , characterized in that the bogie (1, 1*, 1**) includes at least one roll stabilizer which includes a torsion rod that is arranged for torsional movement in the inner volume of at least one of the torsion spring systems , and the torsion rod of the roll stabilizer is articulated to the torsion spring system , wherein, in the two end portions and in the area of half the height of the torsion spring system , an insert is connected to the torsion spring system in a rotationally fixed manner, wherein, in the area of half the height of the torsion spring system , the insert is mounted in a rotationally fixed manner in a fixed bearing which is arranged in the frame , and wherein the respective insert is connected, in one of the two end portions of the torsion spring system , to a transmission shaft so as to prevent relative rotation, the transmission shaft for its part being rotatably mounted in a radial bearing arranged in the frame and being connected to the associated spring lever arm , and wherein at least the torsion spring system , the inserts , the fixed bearing and the transmission shaft are formed as hollow bodies such that the torsion rod of the roll stabilizer is arranged continuously in their inner volumes, wherein the torsion rod of the roll stabilizer is connected, in each of its end portions, to the transmission shaft by means of a press-fit connection or toothing so as to prevent relative rotation, so that the roll stabilizer is articulated to the torsion spring system by means of the transmission shaft . characterized in that the bogie (1, 1*, 1**) includes at least one roll stabilizer which includes a torsion rod that is arranged for torsional movement in the inner volume of at least one of the torsion spring systems , and the torsion rod of the roll stabilizer is articulated to the torsion spring system , wherein, in the two end portions and in the area of half the height of the torsion spring system , an insert is connected to the torsion spring system in a rotationally fixed manner, wherein, in the area of half the height of the torsion spring system , the insert is mounted in a rotationally fixed manner in a fixed bearing which is arranged in the frame , and wherein the respective insert is connected, in one of the two end portions of the torsion spring system , to a transmission shaft so as to prevent relative rotation, the transmission shaft for its part being rotatably mounted in a radial bearing arranged in the frame and being connected to the associated spring lever arm , and wherein at least the torsion spring system , the inserts , the fixed bearing and the transmission shaft are formed as hollow bodies such that the torsion rod of the roll stabilizer is arranged continuously in their inner volumes, wherein the torsion rod of the roll stabilizer is connected, in each of its end portions, to the transmission shaft by means of a press-fit connection or toothing so as to prevent relative rotation, so that the roll stabilizer is articulated to the torsion spring system by means of the transmission shaft . <EOS>