Genuine Aprilia M6 Riv Nit for '98-'03 Mille, Mille-R, '04-'06 RSVR, Factory, '00-'03 Falco, '01-'03 Futura, '01-'04 Caponord, and '02-'05 Tuono, '99-'04 Scarabeo 125/150/200, '95-'04 RS250 '06 Tuono.
These are the Riv Nuts that are commonly used in rear subframes to attach bodywork.
Aprilia part no. 8102544
The 6mm Riv Nut insertion tool is required to install these Riv Nuts.