Hi all new to Retrobike have gained 2 MTBS one is a Ridgeback Mr Black alloy frame dual suspension and the other is an Alpestar Shimano deore equipped tange steel frame cant find anything on internet on them ie history and era etc Not sure of their heritage both ride nice want to keep them alive and running any info would be appreciated as im not clued up on mtbs Thank You sorry no photos yet but can post later