Triumph Twins / Triples 5-Speed Front Drive Sprockets - Choose Size Size:20T Fits many BSA Pre-Unit Twins

Fits many BSA Pre-Unit Twins & Singles with the Speedo in the Nacelle (A7

M Part number is 97-4002

& T150) from 1968-1970

That's right you read that correctly

Nut has a thread pitch of 24 (UNF) and has a 1/4" tall head

Triumph Twins / Triples 5-Speed Front Drive Sprockets - Choose Size Size:20T Fits many BSA Pre-Unit TwinsNew Triumph 750 twins and triples gear box drive sprocket. This EMGO sprocket is the same quality as the "English made" types for half of the price. Sprocket accepts a standard 530 or 5 8" X 3 8" chain. Fits all Triumph 750 unit twins (T140, Bonneville, TR7, etc) from 1973 1982. Fits Triumph 650 twins (T120RV, TR6RV, etc) from 1971 1972 with the 5 speed gear box as well as Triumph triples (T150V & T160) from approx 1974 1976. Please refer to your