Combine rub ingredients in a bowl.Coat ribs with rub, coating ribs well.Set aside for 15-30 minutes for flavours to infuse.Pre-heat Weber SmokeFire to 130°C. -135°C.
Place ribs in Weber SmokeFire. Place a probe in the centre of the meat.Cook ribs to an internal temperature of 65°C.Using the spritz, spray every 30-60 minutes to ensure meat remains moist.
Remove ribs and wrap in foil (Texas crutch hold).Place back in barbeque to finish cooking to internal temperature of 95°C.Remove , open foil for 5 minutes to allow steam to escape, and re-wrap in foil and tea towels, place into an esky and rest for 1-2 hours.
Remove brisket from esky, unwrap, cut across the grain.