Transports most styles of bikes with standard fork mount front wheels * Coverts the Rola Vortex, Rola Dart and Pro Series railed cargo carriers into a fork mounted bike carrier (for #59502, #59507, #59550, #63152, #63153, #63154, #63155, #38174) * Removable bushings allow for small (5mm) and large (9mm) diameter bike skewers * Works with bikes with front wheel disc brakes * Includes a set of 1 rail clip and rear wheel tie down