British Airways Concorde G-BOAD Rolls Royce Olympus 593 Bearing adjustment ring removed from flight in 1998. This incredible part is in 'as removed from aircraft' condition. It comes with a copy of the part tag as this is one piece of a three part assembly. Own a flown piece of one of the most iconic aircraft ever! Approximately 12cm wide x 7cm tall and weighing just over a kilo.