STUD

摘要

A stud (10) comprising a bearing member (12) and a base member (14), the base member (14) projecting from a lower surface (16) of the bearing member (12), the base member (14) being proportioned to be received and retained within a spoke access hole of a wheel rim such that an inner tube can not press or blow through that spoke access hole, the base member (14) characterised by having provided either at or on an outer surface (24) thereof a plurality of radially projecting engaging ridges (26, 28) proportioned so as to provide an interference fit between the base member (14) and the spoke access hole.