dace manufacturing already makes a 23mm hub with a 22mm nut, and they are flanged for even more strength. godale03, try out the panther pythons. they have to be used on revo rims fyi. great traction. just so you know, 40series tires take away a lot of steering and rough track handling. you will probibly be better off with maxx size bowties if you really want to run proline rubber.