If I remember correctly, Mike Cecchini had a braced swingarm made in the Uk. Either Metmachex or JMC I think. They did it as a one off.
Metmachex list various Ducatis as do JMC but neither lists the 851/888.
http://www.mad-ducati.com/images/Mik...i/DSCN2736.jpg http://www.metmachex.co.uk/ https://www.swingarm.com/online_shop.aspx Mike