Don't know if it's any help but I've got ZXR750 Usd's on mine with R6 wheels front and back (R6 swingarm too). I don't know what mods were done as they were fitted when I bought the bike.
Another option would be some slab yokes made to suit whatever you want to fit.
Another option would be some slab yokes made to suit whatever you want to fit.
Rust never sleeps !