Originally Posted by Renman1117
So if I where sourcing fork mounts that had metric threaded holes I would tell them that the mounting bolts or stud from the lights I am getting are 4x30mm?. My understanding was that most of these lights used an 8mm or 10mm stud or bolt to attach to the fork mount. Thanks.
The M4x30 is for the pivot in the mount. To mount the light you will need 6mm diameter hardware.