I wouldnt bother. It's not worth it unless you really LOVE those JK rims. If anything your best and easiest route would be to get the adapter. Use breaks as a time to upgrade, dont use maintence as an excuse to upgrade, replace the wheel bearings and then get the adapter.
DD- 1995 YJ 2.5L, Cat delete, 19lb injectors, 30/9.5r15
Trail Rig- 1994 YJ 4.0L, Rubicon Express 4.5inch lift, 1inch body, D30 Aussie, 33/12.5/r15 Cooper Mud Terrains, front bumper, rocker guards