An assembly comprising: a wheel configured to rotate around a wheel axis; a brake system comprising: a disc stack comprising a rotor disc (43, 44, 45, 46) and a stator disc (47, 48), wherein the rotor disc (43, 44, 45, 46) is rotationally coupled to the wheel, and wherein the wheel is configured to rotate relative to the stator disc (47, 48); and an actuator defining an actuator housing and configured to compress the disc stack, wherein the brake system is configured to compress the disc stack by limiting the linear movement of the disc stack by exerting a reaction force on the disc stack when the actuator compresses the disc stack, and wherein a portion of the brake system is configured to linearly deform when the brake system exerts the reaction force; and a mechanical stop (74, 80, 84, 102, 104, 106, 204) configured to reduce the reaction force exerted by the brake system when the linear deformation of the portion of the brake system causes the mechanical stop (74, 80, 84, 102, 104, 106, 204) to encounter the brake system, such that the mechanical stop (74, 80, 84, 102, 104, 106, 204) limits a linear displacement of the disc stack relative to the actuator housing, characterized in that the mechanical stop (74, 80, 84, 102, 104, 106, 204) is rotationally coupled to the wheel. a wheel configured to rotate around a wheel axis; a brake system comprising: a disc stack comprising a rotor disc (43, 44, 45, 46) and a stator disc (47, 48), wherein the rotor disc (43, 44, 45, 46) is rotationally coupled to the wheel, and wherein the wheel is configured to rotate relative to the stator disc (47, 48); and an actuator defining an actuator housing and configured to compress the disc stack, wherein the brake system is configured to compress the disc stack by limiting the linear movement of the disc stack by exerting a reaction force on the disc stack when the actuator compresses the disc stack, and wherein a portion of the brake system is configured to linearly deform when the brake system exerts the reaction force; and a disc stack comprising a rotor disc (43, 44, 45, 46) and a stator disc (47, 48), wherein the rotor disc (43, 44, 45, 46) is rotationally coupled to the wheel, and wherein the wheel is configured to rotate relative to the stator disc (47, 48); and an actuator defining an actuator housing and configured to compress the disc stack, wherein the brake system is configured to compress the disc stack by limiting the linear movement of the disc stack by exerting a reaction force on the disc stack when the actuator compresses the disc stack, and wherein a portion of the brake system is configured to linearly deform when the brake system exerts the reaction force; and a mechanical stop (74, 80, 84, 102, 104, 106, 204) configured to reduce the reaction force exerted by the brake system when the linear deformation of the portion of the brake system causes the mechanical stop (74, 80, 84, 102, 104, 106, 204) to encounter the brake system, such that the mechanical stop (74, 80, 84, 102, 104, 106, 204) limits a linear displacement of the disc stack relative to the actuator housing, characterized in that the mechanical stop (74, 80, 84, 102, 104, 106, 204) is rotationally coupled to the wheel.