Looking to lower your RPM at highway speeds? This top quality UK made 20 tooth gearbox sprocket is just the ticket! Fits all unit 650 Triumph twins with 4 speed gearboxes 1963-72.
We also have a Taiwan made version for those on a budget click here
We also sell stock 19t sprockets, both UK made and Taiwanese made versions click here
And 18t sprockets too! Click here
Need the high gear nut removal tool? Click here