AP8123206 Fork bottom sealing washer, with rubber. This washer seals the recessed bolt on the bottom of the fork slider that is removed to disassemble the fork.
Fitting all V11 California series models 1998-2010 including EV, EV Touring, Jackal, Bassa, California Special, Special Sport, California Stone, Stone Touring, Aluminum, Titanium, Stone Metal, California Vintage, 2002 and later V11 Sport, LeMans, V11 Cafe Sport, V11 Sport Naked, Ballabio, Coppa Italia, Norge 1200 up to 2010, 1200 Sport, Breva 1200, Breva 1100, Bellagio, Quota ES1100, Breva 750, Breva 850, Sport 1200 8V, Stelvio, Stelvio NTX, Nevada Classic 750IE.
These washers are somewhat unique in that they have a smaller OD than normal, ~16mm OD, ~10mm ID. These washers are also sold under part number AP8123206.
Also fitting many Aprilia models including Atlantic, Scarabeo and Capo Nord.