Okay so if anyone finds this during a search like I did.. yup, they fit. You need to machine up a spacer that's slightly different in length to the stock busa one, but it's a minor. Then just use 2mm spacers to push each disk out (I used 2mm thick aluminium washers). I saved 580g of rotating unsprung mass by doi
ng this front wheel on my gen2 (I also used titanium disc bolts)
Nice and easy, highly recommend.
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