Final drive /gearbox sprocket

Previously antony_ryan wrote:

Hi all, Can someone tell me if you can get a gearbox sprocket for a 19H, 20 or 21 tooth please, I know they are 19 tooth originally, thanks,Tony.

antony//

all norton pre amc gearbox are 19 teeth..unless someone else

knows better,,i have a es2 with the dollshead gear box and like you wishing to change the sprocket. i had my 19th sprocket changed to 21th...it cost about £60... if you look in the old bike mart there is a add there for [john hemmings]sent your sprocket to him he will do the rest///tony