The ducati's are a little different in that the can positioning is vertical, but the same shock, and these are just some of the series and years that are available. They range in price, in USD from $50.00 to $100.00.

996/916/748.... 1999/2000
848/1098/1198.... 2008/2011
bispoto ? 748.... 2001

Go to that popular E auction site in the US, and type in rear shocks. There are PLENTY.