Not all funnily enough - the California Cycleworks ones work with ethanol perfectly well, it's just the OEM Ducati ones that don't seem to, even after they had supposedly fixed the issue - Mmmm I wonder what their belts are like? California Cycleworks, Inc. - Aftermarket Ducati Parts for Ducati Performance | ca-cycleworks.com
It looks as though it is still being overlooked that WATER related to Ethanol is more the enemy here than Ethanol itself when it comes to detrimental effects on tanks made from PA6. PA6/PA66 - properties, experiences and useful links | Plasticprop
Indeed. And ions within the water, i.e. dissolved salts, when it comes to effects on metal components.