OH thanks Scooper now I see how this works, something like an ecentric adapert right? all he need to do is grind enough off those flanges for the screws, providing there is enough depth between the edge and the flange for the cups
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“One morning you wake up, the girl is gone, the bikes are gone, all that's left behind is a pair of old tires and a tube of tubular glue, all squeezed out"
Sugar "Kane" Kowalczyk