Triumph Pre-Unit Twins Front Drive Sprocket 57-0471 Sprocket Size:19T Included is the kickstart ratchet

Included is the kickstart ratchet

Early style jeweled lens and later style round / flat lens

M Part number is 67-5024B

Fits many Triumph and BSA models including singles and twins from the Lightning

Finding true top dead center is now made easy using this to "2 into 1" locating tool

Triumph Pre-Unit Twins Front Drive Sprocket 57-0471 Sprocket Size:19T Included is the kickstart ratchetNew Triumph 650 Pre Unit Twins Front 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. Use the drop down menu to select which size sprocket you need. Fits the Triumph 650 Pre Unit twins (Bonneville, T120, 6T, T110, TR6SS, etc) from 1947 1962. Also fits Triumph 500 Pre Unit twins up to approx 1956. Please refer to your parts catalog for proper