For most Riccar upright 4000, 6000, R100, R500, R4000 and Vibrance models that DO NOT HAVE A CLUTCH.
Riccar uprights that have a wooden roller brush AND DO NOT have a carpet tool switch that disables the roller from spinning use this roller.
Riccar vacuum part D012-0200 (D0120200).
Other Vibrance Models:
Vibrance, 4000 & 8000 Series Metal Roller with Clutch D012-2700.
Vibrance, 4000 & 8000 Series Metal Roller w/o Clutch D012-2500.