Part of the 20" wheel weights list. Weight readings & photographs courtesy of wheelsto.com. The front is heavier than the rear. The front center has more material than the rear center because of the offset.

360 Forged Mesh 10 20x9J front wheel on a scale, weighing 28.0 lb.

360 Forged Mesh 10 20x10J rear wheel on a scale, weighing 27.6 lb.