An electrophotographic photosensitive member having a surface layer containing a polymeric product obtained by polymerizing a specific adamantane compound, a process cartridge and an electrophotographic apparatus which have the electrophotographic photosensitive member, and a process for producing the electrophotographic photosensitive member. More particularly, the present invention writes data to these tags, reads data from these tags, and manages data that is written to andor read from these tags. Thus, the sliding resistance in relative motion between the coil spring and the second spring inside circumferential guide can be significantly reduced. A directional control device may be used to control rotational movements between the spindle of the hydraulic engine and the hub shell.