Aprilia M10x30 Hex Head screw AP8152430
Fitment - RSV 03-10, Tuono 02-05
OEM Aprilia Hex Head bolt, part number AP8152430 or AP8150469.
It is used to attach the rear subframe to the frame on the RSV, item 9 in the diagram and fairing panels on the Tuono, item 7 in the diagram.
It may also have other uses across the Aprilia motorcycle range due to it's specifications.