Tensioning or guide rail having a continuous recessed sliding body

A tensioning or guide rail for a drive chain, comprising a carrier body with at least a first chain guide section at the meshing end of the drive chain and a second chain guide section at the exit end of the drive chain and with at least one recessed section, said at least one recessed section being arranged between two chain guide sections and recessed relative to a tangent connecting the adjoining chain guide sections, and said at least two chain guide sections having each a sliding-contact surface for contacting the drive chain, wherein a continuous sliding body is provided, which is arranged on the carrier body along the at least two chain guide sections and the at least one recessed section, said sliding body defining sliding-contact surfaces of the at least two chain guide sections and a surface of the at least one recessed section, said surface facing the drive chain.