Originally Posted by BillyCaldwell

I took a stock kyosho hex and cut it down, and have been running losi and jconcepts wheeler fronts on my zx5 with the SP front end. I tried a b44 hex but the ID was too small, which I messed it up drilling it and being stupid. HB sells a hex to use the losi /b44/ jconcepts wheeler fronts for their car. I don't know the ID of the hex, but it being a metric car it may be right on the money to use with the SP front end.