This is a brand new replica Smith's speedometer drive gearbox.

Ration: 15:12
Center hole diameter: 3/4 inch

Fits: BSA A75 Rocket 3 From 1967-1970
Triumph T120, TR6 from 1966-70
Triumph T150 from 1968-70

Smith's part# BG5330/168
Part# 60-0637, 19-9217

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