THE Moto-Roma scooter range, launched a year ago by EP Barrus, of Bicester, has grown to nine scooters, commuter motorcycles and a range of children's mini-quad bikes.The firm said sales have exceeded original expectations and the Moto-roma GoGo 50 appears consistently in the list of top ten selling 100cc scooters. Users include traffic wardens in Croydon and Greenwich and a firm of London couriers.