Abstract: A bogie for rail vehicles, particularly commuter or short-haul vehicles, has two wheel sets spaced apart in the direction of travel. One wheel set is mounted upon a wheel mounting frame which is coupled to a tranverse member of the bogie frame by way of an intermediate beam member. The arrangement is such that a lateral force applied to one wheel of the set by a curved rail will be translated into a rotational force to rotate the wheel mounting frame and therewith the wheel set, to negate the aforesaid lateral force. Such an arrangement reduces wheel flange wear and the risk of derailment.