This Technical Specification defines the requirements for a cast monobloc wheel of a freight railway vehicle non-powered axle for use on a European network. It only applies to wheels of new design or new European application. These requirements are intended to assess the validity of the design choice for the proposed use. The assessment of these requirements is the technical approval procedure.This Technical Specification does not address the quality requirements for cast wheels. These quality requirements are defined in Technical Specification CEN/TS 15718.