This is a brand new set of gearbox, rear wheel sprocket with chain. Fits: Triumph TR6, T120 four speed from 1965-70 Include part number: 37-1499, W1499 rear wheel sprocket with 46 tooth 57-1918, T1918 Gearbox sprocket with 19 tooth 60-2016, D2016 high performance quality 530 (5/8″ X 3/8″) final drive chain with 108 total link. (107 link master link). The chain was made by Maxtop manufacturer with a certificate from the International Organization for Standardization (ISO) Worldwide federation of national standards that deals with consistent rules or guidelines of technical specifications.
