No one makes one to my knowledge.
If you want to do it the hard way, then notch your own swing arm and have a stock tire cut and welded to fit the 240. Then you have to find fenders, etc and so on. More trouble than it's worth probably.
If you want to do it the hard way, then notch your own swing arm and have a stock tire cut and welded to fit the 240. Then you have to find fenders, etc and so on. More trouble than it's worth probably.