Hayes HFX-9 brake disc size

I know, that's how hayes used to call the 160mm rotors :)
So, 160 mm is the diameter that should work without adapter.
 
Shims under the caliper should do the trick and rise it to the desired value but don't forget to check if you have enough thread in or use longer bolts.
 
Re:

what a brilliantly simple idea, yes so I obviously would need to be pretty accurate with the thickness of the washers, which if they are "actually" 160mm and 165mm then 2.5mm washers will be bang on. Good advice buddy thanks
 
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