The plate bracket mounts to the rear shock mount point and the speed sensor cover. This is sized to a UK flexi plate 139 x 177mm (5.5x7inch) or USA 102 x 145.5mm (4.01x5.7inch) which is intended to be glued or taped directly to the curved surface.The pack includes all bolts and option plate light mount (to be glue to the rear internal side as on images).