An exercise bike comprising: a base; a frame having a head tube; and a steering stem mounted in the head tube, and operable to be rotatable about the longitudinal axis of the stem by a user, wherein a lower part of the frame is pivotally mounted to the base to allow rotation of the frame, relative to the base, about a substantially horizontal axis, wherein a first resilient mounting is provided between the frame and the base, and a second resilient mounting is provided between the steering stem and the base, the first and second resilient mountings, together, configured to bias the frame towards a substantially upright position relative to the base, the second resilient mounting further configured to urge the stem substantially into rotational alignment with a predetermined point on the base.