A lot of it depends on what chassis you have, and how long your rear swingarm is.
On my XULW's I ran 325-350 in the fronts and anywhere from 700-1100 in the rear, it just depended on where I was riding.
On my XULW's I ran 325-350 in the fronts and anywhere from 700-1100 in the rear, it just depended on where I was riding.