The first Greeves motorcycle was developed in 1951 .
The first Greeves motorcycle was featured a massive front down member combined in a large ' I - section ' cast alloy beam , cast in a new light - alloy foundry that had been added to the Greeves factory .
The first Greeves motorcycle was developed in 1951 and featured a massive front down member combined in a large ' I - section ' cast alloy beam , cast in a new light - alloy foundry that had been added to the Greeves factory .