Type Wheel Brake Cylinder. SMART FORTWO Cabrio (450) 0.6 Convertible Petrol 02/2004 12/2006 RWD 6 61 45. SMART FORTWO Cabrio (450) 0.6 Brabus (450.433) Convertible Petrol 01/2004 12/2006 RWD 6 75 55. SMART FORTWO Cabrio (450) 0.7 (450.433) Convertible Petrol 01/2004 01/2007 RWD 6 75 55.