DEACON,

MO5 PRO does not come with aluminum front knuckles, these are a Tamiya Hop up purchased seperately. These do offer you three holes for steering linkage adjustment. The rear alloy hubs also have two holes which allow you to run differnt rear camber points. These are also another Tamiya Hop up part. if you decide to go this option then these use 1050 wheel bearings.
The plastic parts in the MO5 kit use 1150 bearings. I have not used the plastic parts on my MO5. I fitted the alloy from day one, so I can not make comparisons. Part numbers for the alloy bits are in this thread a few pages back.

Regards,

Calvin.