front brake problem

andy young

New member
Jun 20, 2016
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I have a custom / modified gsxr 750 1987 and the front end is off another year gsxr bike, I'm trying to find the year, cc and model of the front end.
The disc is 310mm diameter
65mm center hole
45.5mm offset
5x 10mm holes in the disc and the holding down bolts have a 8mm thread with a 10mm sleeve
5mm thick disc
The offset is what I can not find on any model data
cheers and hope someone can help as I need new discs