Ducati Bevel Single Center Stand Pivot Stainless 200 250 350 narrowcase BSA Control this part (0420-49-120) is the

this part (0420-49-120) is the crankcase vent spigot used on just about ALL Ducati singles

just like the original

I believe for just about ALL 500cc BSA and late Triumph singles

and black to suit that 'badass' look you might be trying for

There is another nice photo of the bikes in different colors on the reverse side

Ducati Bevel Single Center Stand Pivot Stainless 200 250 350 narrowcase BSA Control this part (0420-49-120) is theTo suit nearly ALL narrow case Ducati singles of the sixties, to my knowledge (not suitable for widecase, sorry, but they may be coming). Ducati's original part number for the rust prone black versions was 0440 12 013. This pivot is made in beautifully polished stainless steel. Fit and finish guaranteed fantastic. The listing includes circlips shown.