1939 EL KNUCKLEHEAD , THIS IS NOT AN AMCA BIKE IT HAS SOME REPOP PARTS , IT HAS A GOOD BIT OF OEM PARTS, WHAT I THINK ARE REPOP ARE THE WHEELS , TIRES, EXHAUST,WIRES,HEADLIGHT MOUNT, BRK LEVER,GAS CAPS,AND I AM SURE I AM MISSING SOME SMALL THINGS, IT HAS OEM FRAME, FORK,TANKS,FENDERS,MOTOR,TRANNY,DASH,TAILLIGHT,HEADLIGHT, IT RUNS VERY GOOD