i have seen some wheels from an 18 for sale, does anyone know if these will go straight on my cbr400 nc29 now i realiose that the rear is 18" which is no good cos i want 17s but will the discs be ok as i think they are floating (whatever that means) ??

cheers guys.
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MC21SP - Roth-tax
CBR400 - track
MC21R - sold
MC21SP - sold