A bogie for a rail vehicle, the bogie comprising: a bogie frame ; a first wheelset and a second wheelset each adapted to roll on railway tracks and supporting a different end of the bogie frame via a primary suspension ; a first drive unit mounted to the frame and to the first wheel set , the first drive unit having: a motor at least partially supported by the bogie frame , the motor having a rotor ; a gearbox having a main gear mounted on the first wheelset and a pinion driving the main gear , the gearbox having a mounting point distal from the first wheelset ; and a driveshaft attached at one end to the rotor and at the other end to the pinion, the driveshaft being operative to transfer a torque from the motor to the pinion; wherein the driveshaft is mounted so as to allow a misalignment between the motor and the gearbox ; characterized in that a first reaction rod having a first end and a second end defining an axis is connected to the bogie frame at the first end and to the mounting point of the gearbox at the second end, when projected in a longitudinal-vertical plane bisecting the bogie , the first reaction rod is aligned so that the axis extends substantially through a center of gravity of the bogie . a bogie frame ; a first wheelset and a second wheelset each adapted to roll on railway tracks and supporting a different end of the bogie frame via a primary suspension ; a first drive unit mounted to the frame and to the first wheel set , the first drive unit having: a motor at least partially supported by the bogie frame , the motor having a rotor ; a gearbox having a main gear mounted on the first wheelset and a pinion driving the main gear , the gearbox having a mounting point distal from the first wheelset ; and a driveshaft attached at one end to the rotor and at the other end to the pinion, the driveshaft being operative to transfer a torque from the motor to the pinion; wherein the driveshaft is mounted so as to allow a misalignment between the motor and the gearbox ; characterized in that a first reaction rod having a first end and a second end defining an axis is connected to the bogie frame at the first end and to the mounting point of the gearbox at the second end, when projected in a longitudinal-vertical plane bisecting the bogie , the first reaction rod is aligned so that the axis extends substantially through a center of gravity of the bogie . a motor at least partially supported by the bogie frame , the motor having a rotor ; a gearbox having a main gear mounted on the first wheelset and a pinion driving the main gear , the gearbox having a mounting point distal from the first wheelset ; and a driveshaft attached at one end to the rotor and at the other end to the pinion, the driveshaft being operative to transfer a torque from the motor to the pinion; wherein the driveshaft is mounted so as to allow a misalignment between the motor and the gearbox ; characterized in that a first reaction rod having a first end and a second end defining an axis is connected to the bogie frame at the first end and to the mounting point of the gearbox at the second end, when projected in a longitudinal-vertical plane bisecting the bogie , the first reaction rod is aligned so that the axis extends substantially through a center of gravity of the bogie . <EOS>