This in from Dogtown Cycles. They write:A rare T120RV, a 5 speed Bonneville from 1971 with matching engine and frame numbers. The T120RV was released in the US in 1972, to permit Triumph to use them in American Motorcycle Association production-based racing. But a few were imported in late model year 1971. In order to race, all bikes had to be made and sold to the public in the same