One distinguishing feature of these early SB Speed 20s was that they has a sprung bumper and were not fitted with the dumb irons fitted at the end of the bumpers on later SB and SC Speed 20s.
DSCF0141
One distinguishing feature of these early SB Speed 20s was that they has a sprung bumper and were not fitted with the dumb irons fitted at the end of the bumpers on later SB and SC Speed 20s.
Alvis Archive 