BSA Main/Rearstand 1930-31
BS-4019Main/Rearstand BSA 1930-31
H: 386mm, 15 1/4"
Distance between mounting slits on top Middle-Middle: 180 mm
Width inside: 160mm, 6 1/4"
Width outside: 203mm, 8"
Bore Diameter: 11mm, 7/16"
Thread Diameter: 7mm, 1/4"
for BSA Sloper and others