Abstract: An improved construction for roller skate apparatus is provided in which enhanced safety, performance, convenience and economy are achieved through the employment of a universal type of skate plate in conjunction with a correlated configuration for wheel carrying trucks adapted for permitting fabrication of the skate plate by molding from synthetic resin material, interchangeable mounting of trucks of either the recreation, speed or artistic skating types to selectively provide the user with various desired skating characteristics without the expense of purchasing multiple pairs of entire skates for different types of skating, interchangeable mounting of trucks at either the front or back of the skate, and selective mounting of a toe stop on the skate plate in a position most appropriate for use of the skate upon either the left or right foot. The features provided by the improved construction have individual utility, as well as accomplishing overall advantages when employed together.