Issues 50 to 59.
BV377: Collection of Hachette Mega Bikes No 70 to 79
BV372: Collection of Hachette Mega Bikes No 20 to 29
BV376: Collection of Hachette Mega Bikes No 60 to 69
BV373: Collection of Hachette Mega Bikes No 30 to 39
BV371: Collection of Hachette Mega Bikes No 11 to 19
BV374: Collection of Hachette Mega Bikes No 40, 41, 42, 44, 45, 47, 48, 49
