A steering wheel armature comprising: a frame that is configured to be coupled to a steering column of a vehicle, wherein a rotational axis of the steering wheel armature extends through the frame and is configured to be aligned with a rotational axis of the steering column when the frame is coupled to the steering column; a steering wheel coupled to the frame; and a vibration suppressor (130, 330, 430, 530, 630, 730, 830) mounted to the frame at a region that is spaced from the steering wheel and is closer to the rotational axis of the steering wheel armature than is the steering wheel, wherein the vibration suppressor comprises a fixable portion that is fixedly attached to the frame and a displaceable portion that is configured to be displaced relative to the frame, and wherein the vibration suppressor is configured to counteract rotational forces on the steering wheel frame to reduce shimmying of the steering wheel wherein the vibration suppressor comprises: a resiliently flexible spring system (140, 640, 840) attached to the frame; and a mass system (170, 670, 870) coupled to the spring system (140, 640, 840) and characterised in that a rotational inertia of the mass system (170, 670, 870) is centered on the rotational axis of the steering wheel armature and wherein the spring system (140, 640, 840) comprises a plurality of spring elements that are configured to resist radial movement of the mass system (170, 670, 870) relative to the rotational axis of the steering wheel armature and are configured to permit rotational movement of the mass system (170, 670, 870) about the rotational axis of the steering wheel armature. a frame that is configured to be coupled to a steering column of a vehicle, wherein a rotational axis of the steering wheel armature extends through the frame and is configured to be aligned with a rotational axis of the steering column when the frame is coupled to the steering column; a steering wheel coupled to the frame; and a vibration suppressor (130, 330, 430, 530, 630, 730, 830) mounted to the frame at a region that is spaced from the steering wheel and is closer to the rotational axis of the steering wheel armature than is the steering wheel, wherein the vibration suppressor comprises a fixable portion that is fixedly attached to the frame and a displaceable portion that is configured to be displaced relative to the frame, and wherein the vibration suppressor is configured to counteract rotational forces on the steering wheel frame to reduce shimmying of the steering wheel wherein the vibration suppressor comprises: a resiliently flexible spring system (140, 640, 840) attached to the frame; and a mass system (170, 670, 870) coupled to the spring system (140, 640, 840) and characterised in that a rotational inertia of the mass system (170, 670, 870) is centered on the rotational axis of the steering wheel armature and wherein the spring system (140, 640, 840) comprises a plurality of spring elements that are configured to resist radial movement of the mass system (170, 670, 870) relative to the rotational axis of the steering wheel armature and are configured to permit rotational movement of the mass system (170, 670, 870) about the rotational axis of the steering wheel armature. a resiliently flexible spring system (140, 640, 840) attached to the frame; and a mass system (170, 670, 870) coupled to the spring system (140, 640, 840) and characterised in that a rotational inertia of the mass system (170, 670, 870) is centered on the rotational axis of the steering wheel armature and wherein the spring system (140, 640, 840) comprises a plurality of spring elements that are configured to resist radial movement of the mass system (170, 670, 870) relative to the rotational axis of the steering wheel armature and are configured to permit rotational movement of the mass system (170, 670, 870) about the rotational axis of the steering wheel armature.