Speedometer drive on shaft. With 19 mm shaft hole.
AJS/Matchless heavyweight twins and singles (hole may require reaming).
BSA C15, B25, B44, all years.
Norton Dominator ES2
Triumph 3TA, 5TA, T100, 1964-67,
Triumph T120/TR6 1964-66.
Smith number: BG5330/287
Part number: 99-9976, 19-9205, 60-0373